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Finding the Fourth Proportional to 162,004.60, 242,715.30 and 132,261.40

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Solution

The fourth proportional to 162,004.60, 242,715.30 and 132,261.40 is: 198,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,004.60 : 242,715.30 = 132,261.40 : x
  2. Step 2: Convert to fraction form
    162,004.60/242,715.30 = 132,261.40/x
  3. Step 3: Cross multiply
    162,004.60x = 242,715.30 × 132,261.40
  4. Step 4: Simplify right side
    162,004.60x = 32,101,865,379.42
  5. Step 5: Solve for x
    x = 32,101,865,379.42/162,004.60
  6. Step 6: Final answer
    x = 198,154.04

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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.