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Finding the Fourth Proportional to 88,646.38, 122,332 and 50,920.62

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Solution

The fourth proportional to 88,646.38, 122,332 and 50,920.62 is: 70,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.38 : 122,332 = 50,920.62 : x
  2. Step 2: Convert to fraction form
    88,646.38/122,332 = 50,920.62/x
  3. Step 3: Cross multiply
    88,646.38x = 122,332 × 50,920.62
  4. Step 4: Simplify right side
    88,646.38x = 6,229,221,285.84
  5. Step 5: Solve for x
    x = 6,229,221,285.84/88,646.38
  6. Step 6: Final answer
    x = 70,270.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.