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Finding the Fourth Proportional to 171,630.10, 257,445.15 and 101,473.30

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Solution

The fourth proportional to 171,630.10, 257,445.15 and 101,473.30 is: 152,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,630.10 : 257,445.15 = 101,473.30 : x
  2. Step 2: Convert to fraction form
    171,630.10/257,445.15 = 101,473.30/x
  3. Step 3: Cross multiply
    171,630.10x = 257,445.15 × 101,473.30
  4. Step 4: Simplify right side
    171,630.10x = 26,123,808,939.50
  5. Step 5: Solve for x
    x = 26,123,808,939.50/171,630.10
  6. Step 6: Final answer
    x = 152,209.95

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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.