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Finding the Fourth Proportional to 125,655.30, 188,483.76 and 36,908.46

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Solution

The fourth proportional to 125,655.30, 188,483.76 and 36,908.46 is: 55,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.30 : 188,483.76 = 36,908.46 : x
  2. Step 2: Convert to fraction form
    125,655.30/188,483.76 = 36,908.46/x
  3. Step 3: Cross multiply
    125,655.30x = 188,483.76 × 36,908.46
  4. Step 4: Simplify right side
    125,655.30x = 6,956,645,316.61
  5. Step 5: Solve for x
    x = 6,956,645,316.61/125,655.30
  6. Step 6: Final answer
    x = 55,362.93

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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.