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Finding the Fourth Proportional to 134,262.97, 185,287.70 and 73,838.28

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Solution

The fourth proportional to 134,262.97, 185,287.70 and 73,838.28 is: 101,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,262.97 : 185,287.70 = 73,838.28 : x
  2. Step 2: Convert to fraction form
    134,262.97/185,287.70 = 73,838.28/x
  3. Step 3: Cross multiply
    134,262.97x = 185,287.70 × 73,838.28
  4. Step 4: Simplify right side
    134,262.97x = 13,681,325,952.58
  5. Step 5: Solve for x
    x = 13,681,325,952.58/134,262.97
  6. Step 6: Final answer
    x = 101,899.48

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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.