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Finding the Fourth Proportional to 77,264,111.80, 115,896,167.70 and 23,404,425.40

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Solution

The fourth proportional to 77,264,111.80, 115,896,167.70 and 23,404,425.40 is: 35,106,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264,111.80 : 115,896,167.70 = 23,404,425.40 : x
  2. Step 2: Convert to fraction form
    77,264,111.80/115,896,167.70 = 23,404,425.40/x
  3. Step 3: Cross multiply
    77,264,111.80x = 115,896,167.70 × 23,404,425.40
  4. Step 4: Simplify right side
    77,264,111.80x = 2,712,483,211,080,539.50
  5. Step 5: Solve for x
    x = 2,712,483,211,080,539.50/77,264,111.80
  6. Step 6: Final answer
    x = 35,106,638.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.