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Finding the Fourth Proportional to 248,535.30, 342,987.30 and 141,101.76

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Solution

The fourth proportional to 248,535.30, 342,987.30 and 141,101.76 is: 194,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,535.30 : 342,987.30 = 141,101.76 : x
  2. Step 2: Convert to fraction form
    248,535.30/342,987.30 = 141,101.76/x
  3. Step 3: Cross multiply
    248,535.30x = 342,987.30 × 141,101.76
  4. Step 4: Simplify right side
    248,535.30x = 48,396,111,687.65
  5. Step 5: Solve for x
    x = 48,396,111,687.65/248,535.30
  6. Step 6: Final answer
    x = 194,725.30

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1.5x scale

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.