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Finding the Fourth Proportional to 169,985.59, 254,987.46 and 43,626.92

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Solution

The fourth proportional to 169,985.59, 254,987.46 and 43,626.92 is: 65,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,985.59 : 254,987.46 = 43,626.92 : x
  2. Step 2: Convert to fraction form
    169,985.59/254,987.46 = 43,626.92/x
  3. Step 3: Cross multiply
    169,985.59x = 254,987.46 × 43,626.92
  4. Step 4: Simplify right side
    169,985.59x = 11,124,316,243.49
  5. Step 5: Solve for x
    x = 11,124,316,243.49/169,985.59
  6. Step 6: Final answer
    x = 65,442.70

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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.