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Finding the Fourth Proportional to 292,223.60, 438,335.40 and 159,363.35

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Solution

The fourth proportional to 292,223.60, 438,335.40 and 159,363.35 is: 239,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,223.60 : 438,335.40 = 159,363.35 : x
  2. Step 2: Convert to fraction form
    292,223.60/438,335.40 = 159,363.35/x
  3. Step 3: Cross multiply
    292,223.60x = 438,335.40 × 159,363.35
  4. Step 4: Simplify right side
    292,223.60x = 69,854,597,767.59
  5. Step 5: Solve for x
    x = 69,854,597,767.59/292,223.60
  6. Step 6: Final answer
    x = 239,045.03

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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.