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Finding the Fourth Proportional to 125,655.40, 188,463.30 and 104,444.32

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Solution

The fourth proportional to 125,655.40, 188,463.30 and 104,444.32 is: 156,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.40 : 188,463.30 = 104,444.32 : x
  2. Step 2: Convert to fraction form
    125,655.40/188,463.30 = 104,444.32/x
  3. Step 3: Cross multiply
    125,655.40x = 188,463.30 × 104,444.32
  4. Step 4: Simplify right side
    125,655.40x = 19,683,921,213.46
  5. Step 5: Solve for x
    x = 19,683,921,213.46/125,655.40
  6. Step 6: Final answer
    x = 156,650.02

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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.