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Finding the Fourth Proportional to 125,169.00, 187,709.30 and 54,088.76

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Solution

The fourth proportional to 125,169.00, 187,709.30 and 54,088.76 is: 81,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,169.00 : 187,709.30 = 54,088.76 : x
  2. Step 2: Convert to fraction form
    125,169.00/187,709.30 = 54,088.76/x
  3. Step 3: Cross multiply
    125,169.00x = 187,709.30 × 54,088.76
  4. Step 4: Simplify right side
    125,169.00x = 10,152,963,679.13
  5. Step 5: Solve for x
    x = 10,152,963,679.13/125,169.00
  6. Step 6: Final answer
    x = 81,114.05

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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.