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Finding the Fourth Proportional to 64,671,076.80, 97,006,615.20 and 39,098,923.20

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Solution

The fourth proportional to 64,671,076.80, 97,006,615.20 and 39,098,923.20 is: 58,648,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671,076.80 : 97,006,615.20 = 39,098,923.20 : x
  2. Step 2: Convert to fraction form
    64,671,076.80/97,006,615.20 = 39,098,923.20/x
  3. Step 3: Cross multiply
    64,671,076.80x = 97,006,615.20 × 39,098,923.20
  4. Step 4: Simplify right side
    64,671,076.80x = 3,792,854,197,596,753
  5. Step 5: Solve for x
    x = 3,792,854,197,596,753/64,671,076.80
  6. Step 6: Final answer
    x = 58,648,384.80

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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.