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Finding the Fourth Proportional to 162,908.80, 224,813.80 and 99,246.56

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Solution

The fourth proportional to 162,908.80, 224,813.80 and 99,246.56 is: 136,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,908.80 : 224,813.80 = 99,246.56 : x
  2. Step 2: Convert to fraction form
    162,908.80/224,813.80 = 99,246.56/x
  3. Step 3: Cross multiply
    162,908.80x = 224,813.80 × 99,246.56
  4. Step 4: Simplify right side
    162,908.80x = 22,311,996,290.53
  5. Step 5: Solve for x
    x = 22,311,996,290.53/162,908.80
  6. Step 6: Final answer
    x = 136,960.04

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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.