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Finding the Fourth Proportional to 110,695.40, 152,799.06 and 65,373.56

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Solution

The fourth proportional to 110,695.40, 152,799.06 and 65,373.56 is: 90,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,695.40 : 152,799.06 = 65,373.56 : x
  2. Step 2: Convert to fraction form
    110,695.40/152,799.06 = 65,373.56/x
  3. Step 3: Cross multiply
    110,695.40x = 152,799.06 × 65,373.56
  4. Step 4: Simplify right side
    110,695.40x = 9,989,018,516.85
  5. Step 5: Solve for x
    x = 9,989,018,516.85/110,695.40
  6. Step 6: Final answer
    x = 90,238.79

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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.