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Finding the Fourth Proportional to 125,506.90, 188,133.99 and 55,373.86

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Solution

The fourth proportional to 125,506.90, 188,133.99 and 55,373.86 is: 83,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,506.90 : 188,133.99 = 55,373.86 : x
  2. Step 2: Convert to fraction form
    125,506.90/188,133.99 = 55,373.86/x
  3. Step 3: Cross multiply
    125,506.90x = 188,133.99 × 55,373.86
  4. Step 4: Simplify right side
    125,506.90x = 10,417,705,223.50
  5. Step 5: Solve for x
    x = 10,417,705,223.50/125,506.90
  6. Step 6: Final answer
    x = 83,005.04

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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.