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Finding the Fourth Proportional to 169,402.16, 254,113.80 and 57,073.04

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Solution

The fourth proportional to 169,402.16, 254,113.80 and 57,073.04 is: 85,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,402.16 : 254,113.80 = 57,073.04 : x
  2. Step 2: Convert to fraction form
    169,402.16/254,113.80 = 57,073.04/x
  3. Step 3: Cross multiply
    169,402.16x = 254,113.80 × 57,073.04
  4. Step 4: Simplify right side
    169,402.16x = 14,503,047,071.95
  5. Step 5: Solve for x
    x = 14,503,047,071.95/169,402.16
  6. Step 6: Final answer
    x = 85,613.12

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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.