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Finding the Fourth Proportional to 167,298.72, 250,943.95 and 40,937.95

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Solution

The fourth proportional to 167,298.72, 250,943.95 and 40,937.95 is: 61,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,298.72 : 250,943.95 = 40,937.95 : x
  2. Step 2: Convert to fraction form
    167,298.72/250,943.95 = 40,937.95/x
  3. Step 3: Cross multiply
    167,298.72x = 250,943.95 × 40,937.95
  4. Step 4: Simplify right side
    167,298.72x = 10,273,130,877.90
  5. Step 5: Solve for x
    x = 10,273,130,877.90/167,298.72
  6. Step 6: Final answer
    x = 61,405.91

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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.