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Finding the Fourth Proportional to 173,487.20, 260,441.40 and 110,307.20

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Solution

The fourth proportional to 173,487.20, 260,441.40 and 110,307.20 is: 165,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,487.20 : 260,441.40 = 110,307.20 : x
  2. Step 2: Convert to fraction form
    173,487.20/260,441.40 = 110,307.20/x
  3. Step 3: Cross multiply
    173,487.20x = 260,441.40 × 110,307.20
  4. Step 4: Simplify right side
    173,487.20x = 28,728,561,598.08
  5. Step 5: Solve for x
    x = 28,728,561,598.08/173,487.20
  6. Step 6: Final answer
    x = 165,594.70

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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.