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Finding the Fourth Proportional to 162,409.61, 243,655.92 and 67,608.27

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Solution

The fourth proportional to 162,409.61, 243,655.92 and 67,608.27 is: 101,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,409.61 : 243,655.92 = 67,608.27 : x
  2. Step 2: Convert to fraction form
    162,409.61/243,655.92 = 67,608.27/x
  3. Step 3: Cross multiply
    162,409.61x = 243,655.92 × 67,608.27
  4. Step 4: Simplify right side
    162,409.61x = 16,473,155,226.46
  5. Step 5: Solve for x
    x = 16,473,155,226.46/162,409.61
  6. Step 6: Final answer
    x = 101,429.69

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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.