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Finding the Fourth Proportional to 162,280.92, 243,428.89 and 49,966.17

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Solution

The fourth proportional to 162,280.92, 243,428.89 and 49,966.17 is: 74,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,280.92 : 243,428.89 = 49,966.17 : x
  2. Step 2: Convert to fraction form
    162,280.92/243,428.89 = 49,966.17/x
  3. Step 3: Cross multiply
    162,280.92x = 243,428.89 × 49,966.17
  4. Step 4: Simplify right side
    162,280.92x = 12,163,209,300.65
  5. Step 5: Solve for x
    x = 12,163,209,300.65/162,280.92
  6. Step 6: Final answer
    x = 74,951.57

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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.