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Finding the Fourth Proportional to 292,871.58, 438,805.87 and 159,845.18

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Solution

The fourth proportional to 292,871.58, 438,805.87 and 159,845.18 is: 239,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,871.58 : 438,805.87 = 159,845.18 : x
  2. Step 2: Convert to fraction form
    292,871.58/438,805.87 = 159,845.18/x
  3. Step 3: Cross multiply
    292,871.58x = 438,805.87 × 159,845.18
  4. Step 4: Simplify right side
    292,871.58x = 70,141,000,681.56
  5. Step 5: Solve for x
    x = 70,141,000,681.56/292,871.58
  6. Step 6: Final answer
    x = 239,494.05

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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.