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Finding the Fourth Proportional to 537,199.35, 805,711.44 and 158,031.42

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Solution

The fourth proportional to 537,199.35, 805,711.44 and 158,031.42 is: 237,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,199.35 : 805,711.44 = 158,031.42 : x
  2. Step 2: Convert to fraction form
    537,199.35/805,711.44 = 158,031.42/x
  3. Step 3: Cross multiply
    537,199.35x = 805,711.44 × 158,031.42
  4. Step 4: Simplify right side
    537,199.35x = 127,327,722,973.45
  5. Step 5: Solve for x
    x = 127,327,722,973.45/537,199.35
  6. Step 6: Final answer
    x = 237,021.36

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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.