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Finding the Fourth Proportional to 125,636.34, 188,475.03 and 36,892.74

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Solution

The fourth proportional to 125,636.34, 188,475.03 and 36,892.74 is: 55,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,636.34 : 188,475.03 = 36,892.74 : x
  2. Step 2: Convert to fraction form
    125,636.34/188,475.03 = 36,892.74/x
  3. Step 3: Cross multiply
    125,636.34x = 188,475.03 × 36,892.74
  4. Step 4: Simplify right side
    125,636.34x = 6,953,360,278.28
  5. Step 5: Solve for x
    x = 6,953,360,278.28/125,636.34
  6. Step 6: Final answer
    x = 55,345.14

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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.