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Finding the Fourth Proportional to 292,903.72, 438,854.10 and 159,877.36

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Solution

The fourth proportional to 292,903.72, 438,854.10 and 159,877.36 is: 239,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,903.72 : 438,854.10 = 159,877.36 : x
  2. Step 2: Convert to fraction form
    292,903.72/438,854.10 = 159,877.36/x
  3. Step 3: Cross multiply
    292,903.72x = 438,854.10 × 159,877.36
  4. Step 4: Simplify right side
    292,903.72x = 70,162,834,933.18
  5. Step 5: Solve for x
    x = 70,162,834,933.18/292,903.72
  6. Step 6: Final answer
    x = 239,542.31

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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.