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Finding the Fourth Proportional to 253,642.71, 380,349.05 and 95,759.13

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Solution

The fourth proportional to 253,642.71, 380,349.05 and 95,759.13 is: 143,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,642.71 : 380,349.05 = 95,759.13 : x
  2. Step 2: Convert to fraction form
    253,642.71/380,349.05 = 95,759.13/x
  3. Step 3: Cross multiply
    253,642.71x = 380,349.05 × 95,759.13
  4. Step 4: Simplify right side
    253,642.71x = 36,421,893,645.53
  5. Step 5: Solve for x
    x = 36,421,893,645.53/253,642.71
  6. Step 6: Final answer
    x = 143,595.27

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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.