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Finding the Fourth Proportional to 88,036.40, 132,054.60 and 82,852.40

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Solution

The fourth proportional to 88,036.40, 132,054.60 and 82,852.40 is: 124,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,036.40 : 132,054.60 = 82,852.40 : x
  2. Step 2: Convert to fraction form
    88,036.40/132,054.60 = 82,852.40/x
  3. Step 3: Cross multiply
    88,036.40x = 132,054.60 × 82,852.40
  4. Step 4: Simplify right side
    88,036.40x = 10,941,040,541.04
  5. Step 5: Solve for x
    x = 10,941,040,541.04/88,036.40
  6. Step 6: Final answer
    x = 124,278.60

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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.