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Finding the Fourth Proportional to 67,584,430.60, 101,376,645.90 and 40,644,219.40

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Solution

The fourth proportional to 67,584,430.60, 101,376,645.90 and 40,644,219.40 is: 60,966,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,584,430.60 : 101,376,645.90 = 40,644,219.40 : x
  2. Step 2: Convert to fraction form
    67,584,430.60/101,376,645.90 = 40,644,219.40/x
  3. Step 3: Cross multiply
    67,584,430.60x = 101,376,645.90 × 40,644,219.40
  4. Step 4: Simplify right side
    67,584,430.60x = 4,120,374,637,995,710.50
  5. Step 5: Solve for x
    x = 4,120,374,637,995,710.50/67,584,430.60
  6. Step 6: Final answer
    x = 60,966,329.10

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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.