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Finding the Fourth Proportional to 157,482.20, 236,223.30 and 154,857.80

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Solution

The fourth proportional to 157,482.20, 236,223.30 and 154,857.80 is: 232,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,482.20 : 236,223.30 = 154,857.80 : x
  2. Step 2: Convert to fraction form
    157,482.20/236,223.30 = 154,857.80/x
  3. Step 3: Cross multiply
    157,482.20x = 236,223.30 × 154,857.80
  4. Step 4: Simplify right side
    157,482.20x = 36,581,020,546.74
  5. Step 5: Solve for x
    x = 36,581,020,546.74/157,482.20
  6. Step 6: Final answer
    x = 232,286.70

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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.