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Finding the Fourth Proportional to 127,989.90, 176,674.49 and 96,250.45

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Solution

The fourth proportional to 127,989.90, 176,674.49 and 96,250.45 is: 132,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,989.90 : 176,674.49 = 96,250.45 : x
  2. Step 2: Convert to fraction form
    127,989.90/176,674.49 = 96,250.45/x
  3. Step 3: Cross multiply
    127,989.90x = 176,674.49 × 96,250.45
  4. Step 4: Simplify right side
    127,989.90x = 17,004,999,166.02
  5. Step 5: Solve for x
    x = 17,004,999,166.02/127,989.90
  6. Step 6: Final answer
    x = 132,862.04

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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.