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Finding the Fourth Proportional to 67,006,979.90, 93,618,453.10 and 67,006,979.90

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Solution

The fourth proportional to 67,006,979.90, 93,618,453.10 and 67,006,979.90 is: 93,618,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006,979.90 : 93,618,453.10 = 67,006,979.90 : x
  2. Step 2: Convert to fraction form
    67,006,979.90/93,618,453.10 = 67,006,979.90/x
  3. Step 3: Cross multiply
    67,006,979.90x = 93,618,453.10 × 67,006,979.90
  4. Step 4: Simplify right side
    67,006,979.90x = 6,273,089,805,140,792
  5. Step 5: Solve for x
    x = 6,273,089,805,140,792/67,006,979.90
  6. Step 6: Final answer
    x = 93,618,453.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.