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Finding the Fourth Proportional to 162,188.39, 223,742.33 and 101,728.77

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Solution

The fourth proportional to 162,188.39, 223,742.33 and 101,728.77 is: 140,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,188.39 : 223,742.33 = 101,728.77 : x
  2. Step 2: Convert to fraction form
    162,188.39/223,742.33 = 101,728.77/x
  3. Step 3: Cross multiply
    162,188.39x = 223,742.33 × 101,728.77
  4. Step 4: Simplify right side
    162,188.39x = 22,761,031,519.19
  5. Step 5: Solve for x
    x = 22,761,031,519.19/162,188.39
  6. Step 6: Final answer
    x = 140,337.00

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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.