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Finding the Fourth Proportional to 292,017.40, 437,723.70 and 158,615.80

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Solution

The fourth proportional to 292,017.40, 437,723.70 and 158,615.80 is: 237,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,017.40 : 437,723.70 = 158,615.80 : x
  2. Step 2: Convert to fraction form
    292,017.40/437,723.70 = 158,615.80/x
  3. Step 3: Cross multiply
    292,017.40x = 437,723.70 × 158,615.80
  4. Step 4: Simplify right side
    292,017.40x = 69,429,894,854.46
  5. Step 5: Solve for x
    x = 69,429,894,854.46/292,017.40
  6. Step 6: Final answer
    x = 237,759.44

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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.