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Finding the Fourth Proportional to 64,671,077.80, 97,006,616.70 and 39,098,924.20

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Solution

The fourth proportional to 64,671,077.80, 97,006,616.70 and 39,098,924.20 is: 58,648,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671,077.80 : 97,006,616.70 = 39,098,924.20 : x
  2. Step 2: Convert to fraction form
    64,671,077.80/97,006,616.70 = 39,098,924.20/x
  3. Step 3: Cross multiply
    64,671,077.80x = 97,006,616.70 × 39,098,924.20
  4. Step 4: Simplify right side
    64,671,077.80x = 3,792,854,353,251,754.50
  5. Step 5: Solve for x
    x = 3,792,854,353,251,754.50/64,671,077.80
  6. Step 6: Final answer
    x = 58,648,386.30

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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.