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Finding the Fourth Proportional to 134,510.66, 201,661.38 and 87,025.41

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Solution

The fourth proportional to 134,510.66, 201,661.38 and 87,025.41 is: 130,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,510.66 : 201,661.38 = 87,025.41 : x
  2. Step 2: Convert to fraction form
    134,510.66/201,661.38 = 87,025.41/x
  3. Step 3: Cross multiply
    134,510.66x = 201,661.38 × 87,025.41
  4. Step 4: Simplify right side
    134,510.66x = 17,549,664,275.67
  5. Step 5: Solve for x
    x = 17,549,664,275.67/134,510.66
  6. Step 6: Final answer
    x = 130,470.44

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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.