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Finding the Fourth Proportional to 162,371.80, 224,142.18 and 98,730.04

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Solution

The fourth proportional to 162,371.80, 224,142.18 and 98,730.04 is: 136,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,371.80 : 224,142.18 = 98,730.04 : x
  2. Step 2: Convert to fraction form
    162,371.80/224,142.18 = 98,730.04/x
  3. Step 3: Cross multiply
    162,371.80x = 224,142.18 × 98,730.04
  4. Step 4: Simplify right side
    162,371.80x = 22,129,566,397.09
  5. Step 5: Solve for x
    x = 22,129,566,397.09/162,371.80
  6. Step 6: Final answer
    x = 136,289.47

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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.