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Finding the Fourth Proportional to 173,812.10, 260,718.15 and 55,487.30

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Solution

The fourth proportional to 173,812.10, 260,718.15 and 55,487.30 is: 83,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,812.10 : 260,718.15 = 55,487.30 : x
  2. Step 2: Convert to fraction form
    173,812.10/260,718.15 = 55,487.30/x
  3. Step 3: Cross multiply
    173,812.10x = 260,718.15 × 55,487.30
  4. Step 4: Simplify right side
    173,812.10x = 14,466,546,204.50
  5. Step 5: Solve for x
    x = 14,466,546,204.50/173,812.10
  6. Step 6: Final answer
    x = 83,230.95

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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.