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Finding the Fourth Proportional to 101,672.79, 152,510.22 and 26,803.68

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Solution

The fourth proportional to 101,672.79, 152,510.22 and 26,803.68 is: 40,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,672.79 : 152,510.22 = 26,803.68 : x
  2. Step 2: Convert to fraction form
    101,672.79/152,510.22 = 26,803.68/x
  3. Step 3: Cross multiply
    101,672.79x = 152,510.22 × 26,803.68
  4. Step 4: Simplify right side
    101,672.79x = 4,087,835,133.61
  5. Step 5: Solve for x
    x = 4,087,835,133.61/101,672.79
  6. Step 6: Final answer
    x = 40,205.79

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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.