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Finding the Fourth Proportional to 162,678.77, 224,494.50 and 91,058.77

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Solution

The fourth proportional to 162,678.77, 224,494.50 and 91,058.77 is: 125,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,678.77 : 224,494.50 = 91,058.77 : x
  2. Step 2: Convert to fraction form
    162,678.77/224,494.50 = 91,058.77/x
  3. Step 3: Cross multiply
    162,678.77x = 224,494.50 × 91,058.77
  4. Step 4: Simplify right side
    162,678.77x = 20,442,193,041.77
  5. Step 5: Solve for x
    x = 20,442,193,041.77/162,678.77
  6. Step 6: Final answer
    x = 125,659.87

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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.