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Finding the Fourth Proportional to 169,472.92, 233,872.54 and 92,992.48

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Solution

The fourth proportional to 169,472.92, 233,872.54 and 92,992.48 is: 128,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,472.92 : 233,872.54 = 92,992.48 : x
  2. Step 2: Convert to fraction form
    169,472.92/233,872.54 = 92,992.48/x
  3. Step 3: Cross multiply
    169,472.92x = 233,872.54 × 92,992.48
  4. Step 4: Simplify right side
    169,472.92x = 21,748,387,498.50
  5. Step 5: Solve for x
    x = 21,748,387,498.50/169,472.92
  6. Step 6: Final answer
    x = 128,329.57

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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.