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Finding the Fourth Proportional to 124,149.56, 186,225.28 and 35,403

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Solution

The fourth proportional to 124,149.56, 186,225.28 and 35,403 is: 53,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,149.56 : 186,225.28 = 35,403 : x
  2. Step 2: Convert to fraction form
    124,149.56/186,225.28 = 35,403/x
  3. Step 3: Cross multiply
    124,149.56x = 186,225.28 × 35,403
  4. Step 4: Simplify right side
    124,149.56x = 6,592,933,587.84
  5. Step 5: Solve for x
    x = 6,592,933,587.84/124,149.56
  6. Step 6: Final answer
    x = 53,104.77

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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.