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Finding the Fourth Proportional to 155,595.90, 233,393.85 and 153,003.90

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Solution

The fourth proportional to 155,595.90, 233,393.85 and 153,003.90 is: 229,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,595.90 : 233,393.85 = 153,003.90 : x
  2. Step 2: Convert to fraction form
    155,595.90/233,393.85 = 153,003.90/x
  3. Step 3: Cross multiply
    155,595.90x = 233,393.85 × 153,003.90
  4. Step 4: Simplify right side
    155,595.90x = 35,710,169,286.02
  5. Step 5: Solve for x
    x = 35,710,169,286.02/155,595.90
  6. Step 6: Final answer
    x = 229,505.85

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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.