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Finding the Fourth Proportional to 66,053,794.60, 99,080,691.90 and 60,101,655.40

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Solution

The fourth proportional to 66,053,794.60, 99,080,691.90 and 60,101,655.40 is: 90,152,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053,794.60 : 99,080,691.90 = 60,101,655.40 : x
  2. Step 2: Convert to fraction form
    66,053,794.60/99,080,691.90 = 60,101,655.40/x
  3. Step 3: Cross multiply
    66,053,794.60x = 99,080,691.90 × 60,101,655.40
  4. Step 4: Simplify right side
    66,053,794.60x = 5,954,913,601,367,371
  5. Step 5: Solve for x
    x = 5,954,913,601,367,371/66,053,794.60
  6. Step 6: Final answer
    x = 90,152,483.10

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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.