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Finding the Fourth Proportional to 113,954.62, 157,264.80 and 62,967.40

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Solution

The fourth proportional to 113,954.62, 157,264.80 and 62,967.40 is: 86,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,954.62 : 157,264.80 = 62,967.40 : x
  2. Step 2: Convert to fraction form
    113,954.62/157,264.80 = 62,967.40/x
  3. Step 3: Cross multiply
    113,954.62x = 157,264.80 × 62,967.40
  4. Step 4: Simplify right side
    113,954.62x = 9,902,555,567.52
  5. Step 5: Solve for x
    x = 9,902,555,567.52/113,954.62
  6. Step 6: Final answer
    x = 86,899.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.