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Finding the Fourth Proportional to 173,348.76, 260,055.42 and 54,988.20

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Solution

The fourth proportional to 173,348.76, 260,055.42 and 54,988.20 is: 82,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,348.76 : 260,055.42 = 54,988.20 : x
  2. Step 2: Convert to fraction form
    173,348.76/260,055.42 = 54,988.20/x
  3. Step 3: Cross multiply
    173,348.76x = 260,055.42 × 54,988.20
  4. Step 4: Simplify right side
    173,348.76x = 14,299,979,446.04
  5. Step 5: Solve for x
    x = 14,299,979,446.04/173,348.76
  6. Step 6: Final answer
    x = 82,492.54

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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.