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Finding the Fourth Proportional to 153,592.60, 230,492.69 and 53,753.66

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Solution

The fourth proportional to 153,592.60, 230,492.69 and 53,753.66 is: 80,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,592.60 : 230,492.69 = 53,753.66 : x
  2. Step 2: Convert to fraction form
    153,592.60/230,492.69 = 53,753.66/x
  3. Step 3: Cross multiply
    153,592.60x = 230,492.69 × 53,753.66
  4. Step 4: Simplify right side
    153,592.60x = 12,389,825,421.98
  5. Step 5: Solve for x
    x = 12,389,825,421.98/153,592.60
  6. Step 6: Final answer
    x = 80,666.81

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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.