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Finding the Fourth Proportional to 127,599.71, 176,087.67 and 73,887.58

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Solution

The fourth proportional to 127,599.71, 176,087.67 and 73,887.58 is: 101,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599.71 : 176,087.67 = 73,887.58 : x
  2. Step 2: Convert to fraction form
    127,599.71/176,087.67 = 73,887.58/x
  3. Step 3: Cross multiply
    127,599.71x = 176,087.67 × 73,887.58
  4. Step 4: Simplify right side
    127,599.71x = 13,010,691,804.14
  5. Step 5: Solve for x
    x = 13,010,691,804.14/127,599.71
  6. Step 6: Final answer
    x = 101,964.90

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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.