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Finding the Fourth Proportional to 162,411.65, 243,614.79 and 48,559.73

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Solution

The fourth proportional to 162,411.65, 243,614.79 and 48,559.73 is: 72,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,411.65 : 243,614.79 = 48,559.73 : x
  2. Step 2: Convert to fraction form
    162,411.65/243,614.79 = 48,559.73/x
  3. Step 3: Cross multiply
    162,411.65x = 243,614.79 × 48,559.73
  4. Step 4: Simplify right side
    162,411.65x = 11,829,868,426.41
  5. Step 5: Solve for x
    x = 11,829,868,426.41/162,411.65
  6. Step 6: Final answer
    x = 72,838.79

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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.