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Finding the Fourth Proportional to 227,572.10, 341,358.15 and 156,713.30

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Solution

The fourth proportional to 227,572.10, 341,358.15 and 156,713.30 is: 235,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,572.10 : 341,358.15 = 156,713.30 : x
  2. Step 2: Convert to fraction form
    227,572.10/341,358.15 = 156,713.30/x
  3. Step 3: Cross multiply
    227,572.10x = 341,358.15 × 156,713.30
  4. Step 4: Simplify right side
    227,572.10x = 53,495,362,168.40
  5. Step 5: Solve for x
    x = 53,495,362,168.40/227,572.10
  6. Step 6: Final answer
    x = 235,069.95

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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.