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Finding the Fourth Proportional to 153,125.01, 229,753.40 and 53,230.82

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Solution

The fourth proportional to 153,125.01, 229,753.40 and 53,230.82 is: 79,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,125.01 : 229,753.40 = 53,230.82 : x
  2. Step 2: Convert to fraction form
    153,125.01/229,753.40 = 53,230.82/x
  3. Step 3: Cross multiply
    153,125.01x = 229,753.40 × 53,230.82
  4. Step 4: Simplify right side
    153,125.01x = 12,229,960,464.87
  5. Step 5: Solve for x
    x = 12,229,960,464.87/153,125.01
  6. Step 6: Final answer
    x = 79,869.12

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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.