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Finding the Fourth Proportional to 235,132.56, 352,703.34 and 75,238.92

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Solution

The fourth proportional to 235,132.56, 352,703.34 and 75,238.92 is: 112,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,132.56 : 352,703.34 = 75,238.92 : x
  2. Step 2: Convert to fraction form
    235,132.56/352,703.34 = 75,238.92/x
  3. Step 3: Cross multiply
    235,132.56x = 352,703.34 × 75,238.92
  4. Step 4: Simplify right side
    235,132.56x = 26,537,018,381.99
  5. Step 5: Solve for x
    x = 26,537,018,381.99/235,132.56
  6. Step 6: Final answer
    x = 112,859.82

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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.