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Finding the Fourth Proportional to 173,008.48, 238,789.92 and 112,473.76

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Solution

The fourth proportional to 173,008.48, 238,789.92 and 112,473.76 is: 155,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,008.48 : 238,789.92 = 112,473.76 : x
  2. Step 2: Convert to fraction form
    173,008.48/238,789.92 = 112,473.76/x
  3. Step 3: Cross multiply
    173,008.48x = 238,789.92 × 112,473.76
  4. Step 4: Simplify right side
    173,008.48x = 26,857,600,152.50
  5. Step 5: Solve for x
    x = 26,857,600,152.50/173,008.48
  6. Step 6: Final answer
    x = 155,238.63

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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.