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Finding the Fourth Proportional to 88,435.40, 132,653.10 and 29,280.20

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Solution

The fourth proportional to 88,435.40, 132,653.10 and 29,280.20 is: 43,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,435.40 : 132,653.10 = 29,280.20 : x
  2. Step 2: Convert to fraction form
    88,435.40/132,653.10 = 29,280.20/x
  3. Step 3: Cross multiply
    88,435.40x = 132,653.10 × 29,280.20
  4. Step 4: Simplify right side
    88,435.40x = 3,884,109,298.62
  5. Step 5: Solve for x
    x = 3,884,109,298.62/88,435.40
  6. Step 6: Final answer
    x = 43,920.30

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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.