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Finding the Fourth Proportional to 64,663,234.60, 96,994,851.90 and 57,648,213.40

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Solution

The fourth proportional to 64,663,234.60, 96,994,851.90 and 57,648,213.40 is: 86,472,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,663,234.60 : 96,994,851.90 = 57,648,213.40 : x
  2. Step 2: Convert to fraction form
    64,663,234.60/96,994,851.90 = 57,648,213.40/x
  3. Step 3: Cross multiply
    64,663,234.60x = 96,994,851.90 × 57,648,213.40
  4. Step 4: Simplify right side
    64,663,234.60x = 5,591,579,921,032,596
  5. Step 5: Solve for x
    x = 5,591,579,921,032,596/64,663,234.60
  6. Step 6: Final answer
    x = 86,472,320.10

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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.