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Finding the Fourth Proportional to 173,886.30, 260,829.45 and 107,109.90

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Solution

The fourth proportional to 173,886.30, 260,829.45 and 107,109.90 is: 160,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.30 : 260,829.45 = 107,109.90 : x
  2. Step 2: Convert to fraction form
    173,886.30/260,829.45 = 107,109.90/x
  3. Step 3: Cross multiply
    173,886.30x = 260,829.45 × 107,109.90
  4. Step 4: Simplify right side
    173,886.30x = 27,937,416,306.56
  5. Step 5: Solve for x
    x = 27,937,416,306.56/173,886.30
  6. Step 6: Final answer
    x = 160,664.85

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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.