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Finding the Fourth Proportional to 153,036.85, 211,179.84 and 95,701.90

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Solution

The fourth proportional to 153,036.85, 211,179.84 and 95,701.90 is: 132,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,036.85 : 211,179.84 = 95,701.90 : x
  2. Step 2: Convert to fraction form
    153,036.85/211,179.84 = 95,701.90/x
  3. Step 3: Cross multiply
    153,036.85x = 211,179.84 × 95,701.90
  4. Step 4: Simplify right side
    153,036.85x = 20,210,311,929.70
  5. Step 5: Solve for x
    x = 20,210,311,929.70/153,036.85
  6. Step 6: Final answer
    x = 132,061.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.