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Finding the Fourth Proportional to 162,701.81, 243,119.96 and 124,019.24

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Solution

The fourth proportional to 162,701.81, 243,119.96 and 124,019.24 is: 185,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,701.81 : 243,119.96 = 124,019.24 : x
  2. Step 2: Convert to fraction form
    162,701.81/243,119.96 = 124,019.24/x
  3. Step 3: Cross multiply
    162,701.81x = 243,119.96 × 124,019.24
  4. Step 4: Simplify right side
    162,701.81x = 30,151,552,655.73
  5. Step 5: Solve for x
    x = 30,151,552,655.73/162,701.81
  6. Step 6: Final answer
    x = 185,317.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.