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Finding the Fourth Proportional to 252,103.92, 347,901.75 and 138,926.76

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Solution

The fourth proportional to 252,103.92, 347,901.75 and 138,926.76 is: 191,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,103.92 : 347,901.75 = 138,926.76 : x
  2. Step 2: Convert to fraction form
    252,103.92/347,901.75 = 138,926.76/x
  3. Step 3: Cross multiply
    252,103.92x = 347,901.75 × 138,926.76
  4. Step 4: Simplify right side
    252,103.92x = 48,332,862,925.83
  5. Step 5: Solve for x
    x = 48,332,862,925.83/252,103.92
  6. Step 6: Final answer
    x = 191,718.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.