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Finding the Fourth Proportional to 88,003.40, 132,005.10 and 40,618.40

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Solution

The fourth proportional to 88,003.40, 132,005.10 and 40,618.40 is: 60,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,003.40 : 132,005.10 = 40,618.40 : x
  2. Step 2: Convert to fraction form
    88,003.40/132,005.10 = 40,618.40/x
  3. Step 3: Cross multiply
    88,003.40x = 132,005.10 × 40,618.40
  4. Step 4: Simplify right side
    88,003.40x = 5,361,835,953.84
  5. Step 5: Solve for x
    x = 5,361,835,953.84/88,003.40
  6. Step 6: Final answer
    x = 60,927.60

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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.