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Finding the Fourth Proportional to 292,874.35, 438,810.04 and 159,847.95

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Solution

The fourth proportional to 292,874.35, 438,810.04 and 159,847.95 is: 239,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,874.35 : 438,810.04 = 159,847.95 : x
  2. Step 2: Convert to fraction form
    292,874.35/438,810.04 = 159,847.95/x
  3. Step 3: Cross multiply
    292,874.35x = 438,810.04 × 159,847.95
  4. Step 4: Simplify right side
    292,874.35x = 70,142,885,333.42
  5. Step 5: Solve for x
    x = 70,142,885,333.42/292,874.35
  6. Step 6: Final answer
    x = 239,498.22

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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.