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Finding the Fourth Proportional to 171,948.10, 257,922.15 and 101,089.30

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Solution

The fourth proportional to 171,948.10, 257,922.15 and 101,089.30 is: 151,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,948.10 : 257,922.15 = 101,089.30 : x
  2. Step 2: Convert to fraction form
    171,948.10/257,922.15 = 101,089.30/x
  3. Step 3: Cross multiply
    171,948.10x = 257,922.15 × 101,089.30
  4. Step 4: Simplify right side
    171,948.10x = 26,073,169,598.00
  5. Step 5: Solve for x
    x = 26,073,169,598.00/171,948.10
  6. Step 6: Final answer
    x = 151,633.95

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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.