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Finding the Fourth Proportional to 153,223.89, 229,872.65 and 48,042.87

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Solution

The fourth proportional to 153,223.89, 229,872.65 and 48,042.87 is: 72,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,223.89 : 229,872.65 = 48,042.87 : x
  2. Step 2: Convert to fraction form
    153,223.89/229,872.65 = 48,042.87/x
  3. Step 3: Cross multiply
    153,223.89x = 229,872.65 × 48,042.87
  4. Step 4: Simplify right side
    153,223.89x = 11,043,741,600.29
  5. Step 5: Solve for x
    x = 11,043,741,600.29/153,223.89
  6. Step 6: Final answer
    x = 72,075.85

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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.