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Finding the Fourth Proportional to 127,603.89, 176,083.19 and 73,892.39

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Solution

The fourth proportional to 127,603.89, 176,083.19 and 73,892.39 is: 101,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,603.89 : 176,083.19 = 73,892.39 : x
  2. Step 2: Convert to fraction form
    127,603.89/176,083.19 = 73,892.39/x
  3. Step 3: Cross multiply
    127,603.89x = 176,083.19 × 73,892.39
  4. Step 4: Simplify right side
    127,603.89x = 13,011,206,867.51
  5. Step 5: Solve for x
    x = 13,011,206,867.51/127,603.89
  6. Step 6: Final answer
    x = 101,965.60

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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.