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Finding the Fourth Proportional to 88,176.80, 132,394.80 and 61,997.60

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Solution

The fourth proportional to 88,176.80, 132,394.80 and 61,997.60 is: 93,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.80 : 132,394.80 = 61,997.60 : x
  2. Step 2: Convert to fraction form
    88,176.80/132,394.80 = 61,997.60/x
  3. Step 3: Cross multiply
    88,176.80x = 132,394.80 × 61,997.60
  4. Step 4: Simplify right side
    88,176.80x = 8,208,159,852.48
  5. Step 5: Solve for x
    x = 8,208,159,852.48/88,176.80
  6. Step 6: Final answer
    x = 93,087.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.