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Finding the Fourth Proportional to 108,713.49, 150,033.78 and 60,975.87

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Solution

The fourth proportional to 108,713.49, 150,033.78 and 60,975.87 is: 84,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,713.49 : 150,033.78 = 60,975.87 : x
  2. Step 2: Convert to fraction form
    108,713.49/150,033.78 = 60,975.87/x
  3. Step 3: Cross multiply
    108,713.49x = 150,033.78 × 60,975.87
  4. Step 4: Simplify right side
    108,713.49x = 9,148,440,264.89
  5. Step 5: Solve for x
    x = 9,148,440,264.89/108,713.49
  6. Step 6: Final answer
    x = 84,151.84

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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.