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Finding the Fourth Proportional to 134,541.69, 201,713.70 and 64,470.21

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Solution

The fourth proportional to 134,541.69, 201,713.70 and 64,470.21 is: 96,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,541.69 : 201,713.70 = 64,470.21 : x
  2. Step 2: Convert to fraction form
    134,541.69/201,713.70 = 64,470.21/x
  3. Step 3: Cross multiply
    134,541.69x = 201,713.70 × 64,470.21
  4. Step 4: Simplify right side
    134,541.69x = 13,004,524,598.88
  5. Step 5: Solve for x
    x = 13,004,524,598.88/134,541.69
  6. Step 6: Final answer
    x = 96,657.95

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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.