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Finding the Fourth Proportional to 168,648.88, 232,715.64 and 93,192.88

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Solution

The fourth proportional to 168,648.88, 232,715.64 and 93,192.88 is: 128,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,648.88 : 232,715.64 = 93,192.88 : x
  2. Step 2: Convert to fraction form
    168,648.88/232,715.64 = 93,192.88/x
  3. Step 3: Cross multiply
    168,648.88x = 232,715.64 × 93,192.88
  4. Step 4: Simplify right side
    168,648.88x = 21,687,440,712.64
  5. Step 5: Solve for x
    x = 21,687,440,712.64/168,648.88
  6. Step 6: Final answer
    x = 128,595.23

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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.