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Finding the Fourth Proportional to 127,973.60, 176,599.60 and 71,394.56

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Solution

The fourth proportional to 127,973.60, 176,599.60 and 71,394.56 is: 98,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,973.60 : 176,599.60 = 71,394.56 : x
  2. Step 2: Convert to fraction form
    127,973.60/176,599.60 = 71,394.56/x
  3. Step 3: Cross multiply
    127,973.60x = 176,599.60 × 71,394.56
  4. Step 4: Simplify right side
    127,973.60x = 12,608,250,738.18
  5. Step 5: Solve for x
    x = 12,608,250,738.18/127,973.60
  6. Step 6: Final answer
    x = 98,522.28

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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.