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Finding the Fourth Proportional to 88,221.40, 132,332.10 and 48,855.40

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Solution

The fourth proportional to 88,221.40, 132,332.10 and 48,855.40 is: 73,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,221.40 : 132,332.10 = 48,855.40 : x
  2. Step 2: Convert to fraction form
    88,221.40/132,332.10 = 48,855.40/x
  3. Step 3: Cross multiply
    88,221.40x = 132,332.10 × 48,855.40
  4. Step 4: Simplify right side
    88,221.40x = 6,465,137,678.34
  5. Step 5: Solve for x
    x = 6,465,137,678.34/88,221.40
  6. Step 6: Final answer
    x = 73,283.10

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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.