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Finding the Fourth Proportional to 162,560.40, 243,840.60 and 144,934.80

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Solution

The fourth proportional to 162,560.40, 243,840.60 and 144,934.80 is: 217,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,560.40 : 243,840.60 = 144,934.80 : x
  2. Step 2: Convert to fraction form
    162,560.40/243,840.60 = 144,934.80/x
  3. Step 3: Cross multiply
    162,560.40x = 243,840.60 × 144,934.80
  4. Step 4: Simplify right side
    162,560.40x = 35,340,988,592.88
  5. Step 5: Solve for x
    x = 35,340,988,592.88/162,560.40
  6. Step 6: Final answer
    x = 217,402.20

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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.