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Finding the Fourth Proportional to 173,920.52, 260,932.80 and 99,996.68

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Solution

The fourth proportional to 173,920.52, 260,932.80 and 99,996.68 is: 150,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,920.52 : 260,932.80 = 99,996.68 : x
  2. Step 2: Convert to fraction form
    173,920.52/260,932.80 = 99,996.68/x
  3. Step 3: Cross multiply
    173,920.52x = 260,932.80 × 99,996.68
  4. Step 4: Simplify right side
    173,920.52x = 26,092,413,703.10
  5. Step 5: Solve for x
    x = 26,092,413,703.10/173,920.52
  6. Step 6: Final answer
    x = 150,024.93

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1.5x scale

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.