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Finding the Fourth Proportional to 172,011.92, 258,017.64 and 112,833.53

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Solution

The fourth proportional to 172,011.92, 258,017.64 and 112,833.53 is: 169,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,011.92 : 258,017.64 = 112,833.53 : x
  2. Step 2: Convert to fraction form
    172,011.92/258,017.64 = 112,833.53/x
  3. Step 3: Cross multiply
    172,011.92x = 258,017.64 × 112,833.53
  4. Step 4: Simplify right side
    172,011.92x = 29,113,039,833.38
  5. Step 5: Solve for x
    x = 29,113,039,833.38/172,011.92
  6. Step 6: Final answer
    x = 169,250.13

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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.