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Finding the Fourth Proportional to 235,048.66, 352,713.08 and 85,300.65

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Solution

The fourth proportional to 235,048.66, 352,713.08 and 85,300.65 is: 128,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,048.66 : 352,713.08 = 85,300.65 : x
  2. Step 2: Convert to fraction form
    235,048.66/352,713.08 = 85,300.65/x
  3. Step 3: Cross multiply
    235,048.66x = 352,713.08 × 85,300.65
  4. Step 4: Simplify right side
    235,048.66x = 30,086,654,987.50
  5. Step 5: Solve for x
    x = 30,086,654,987.50/235,048.66
  6. Step 6: Final answer
    x = 128,001.81

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1.5x scale

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.