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Finding the Fourth Proportional to 152,687.61, 229,047.11 and 52,847.64

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Solution

The fourth proportional to 152,687.61, 229,047.11 and 52,847.64 is: 79,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,687.61 : 229,047.11 = 52,847.64 : x
  2. Step 2: Convert to fraction form
    152,687.61/229,047.11 = 52,847.64/x
  3. Step 3: Cross multiply
    152,687.61x = 229,047.11 × 52,847.64
  4. Step 4: Simplify right side
    152,687.61x = 12,104,598,948.08
  5. Step 5: Solve for x
    x = 12,104,598,948.08/152,687.61
  6. Step 6: Final answer
    x = 79,276.89

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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.