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Finding the Fourth Proportional to 162,370.80, 224,140.80 and 98,729.04

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Solution

The fourth proportional to 162,370.80, 224,140.80 and 98,729.04 is: 136,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,370.80 : 224,140.80 = 98,729.04 : x
  2. Step 2: Convert to fraction form
    162,370.80/224,140.80 = 98,729.04/x
  3. Step 3: Cross multiply
    162,370.80x = 224,140.80 × 98,729.04
  4. Step 4: Simplify right side
    162,370.80x = 22,129,206,008.83
  5. Step 5: Solve for x
    x = 22,129,206,008.83/162,370.80
  6. Step 6: Final answer
    x = 136,288.09

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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.