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Finding the Fourth Proportional to 125,405.04, 187,844.04 and 101,791.92

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Solution

The fourth proportional to 125,405.04, 187,844.04 and 101,791.92 is: 152,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,405.04 : 187,844.04 = 101,791.92 : x
  2. Step 2: Convert to fraction form
    125,405.04/187,844.04 = 101,791.92/x
  3. Step 3: Cross multiply
    125,405.04x = 187,844.04 × 101,791.92
  4. Step 4: Simplify right side
    125,405.04x = 19,121,005,492.16
  5. Step 5: Solve for x
    x = 19,121,005,492.16/125,405.04
  6. Step 6: Final answer
    x = 152,473.98

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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.