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Finding the Fourth Proportional to 66,053,829.60, 99,080,744.40 and 60,101,690.40

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Solution

The fourth proportional to 66,053,829.60, 99,080,744.40 and 60,101,690.40 is: 90,152,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053,829.60 : 99,080,744.40 = 60,101,690.40 : x
  2. Step 2: Convert to fraction form
    66,053,829.60/99,080,744.40 = 60,101,690.40/x
  3. Step 3: Cross multiply
    66,053,829.60x = 99,080,744.40 × 60,101,690.40
  4. Step 4: Simplify right side
    66,053,829.60x = 5,954,920,224,530,334
  5. Step 5: Solve for x
    x = 5,954,920,224,530,334/66,053,829.60
  6. Step 6: Final answer
    x = 90,152,535.60

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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.