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Finding the Fourth Proportional to 104,976,301.60, 157,464,452.40 and 82,018,050.40

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Solution

The fourth proportional to 104,976,301.60, 157,464,452.40 and 82,018,050.40 is: 123,027,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,301.60 : 157,464,452.40 = 82,018,050.40 : x
  2. Step 2: Convert to fraction form
    104,976,301.60/157,464,452.40 = 82,018,050.40/x
  3. Step 3: Cross multiply
    104,976,301.60x = 157,464,452.40 × 82,018,050.40
  4. Step 4: Simplify right side
    104,976,301.60x = 12,914,927,393,151,602
  5. Step 5: Solve for x
    x = 12,914,927,393,151,602/104,976,301.60
  6. Step 6: Final answer
    x = 123,027,075.60

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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.