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Finding the Fourth Proportional to 68,000,617.60, 102,000,926.40 and 62,048,478.40

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Solution

The fourth proportional to 68,000,617.60, 102,000,926.40 and 62,048,478.40 is: 93,072,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000,617.60 : 102,000,926.40 = 62,048,478.40 : x
  2. Step 2: Convert to fraction form
    68,000,617.60/102,000,926.40 = 62,048,478.40/x
  3. Step 3: Cross multiply
    68,000,617.60x = 102,000,926.40 × 62,048,478.40
  4. Step 4: Simplify right side
    68,000,617.60x = 6,329,002,278,510,390
  5. Step 5: Solve for x
    x = 6,329,002,278,510,390/68,000,617.60
  6. Step 6: Final answer
    x = 93,072,717.60

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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.