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Finding the Fourth Proportional to 64,654,326.90, 96,981,490.35 and 53,175,201.30

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Solution

The fourth proportional to 64,654,326.90, 96,981,490.35 and 53,175,201.30 is: 79,762,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,654,326.90 : 96,981,490.35 = 53,175,201.30 : x
  2. Step 2: Convert to fraction form
    64,654,326.90/96,981,490.35 = 53,175,201.30/x
  3. Step 3: Cross multiply
    64,654,326.90x = 96,981,490.35 × 53,175,201.30
  4. Step 4: Simplify right side
    64,654,326.90x = 5,157,010,271,735,257
  5. Step 5: Solve for x
    x = 5,157,010,271,735,257/64,654,326.90
  6. Step 6: Final answer
    x = 79,762,801.95

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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.