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Finding the Fourth Proportional to 162,669.72, 224,484.16 and 91,049.74

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Solution

The fourth proportional to 162,669.72, 224,484.16 and 91,049.74 is: 125,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,669.72 : 224,484.16 = 91,049.74 : x
  2. Step 2: Convert to fraction form
    162,669.72/224,484.16 = 91,049.74/x
  3. Step 3: Cross multiply
    162,669.72x = 224,484.16 × 91,049.74
  4. Step 4: Simplify right side
    162,669.72x = 20,439,224,402.12
  5. Step 5: Solve for x
    x = 20,439,224,402.12/162,669.72
  6. Step 6: Final answer
    x = 125,648.61

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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.