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Finding the Fourth Proportional to 88,588.65, 122,248.13 and 50,347.20

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Solution

The fourth proportional to 88,588.65, 122,248.13 and 50,347.20 is: 69,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,588.65 : 122,248.13 = 50,347.20 : x
  2. Step 2: Convert to fraction form
    88,588.65/122,248.13 = 50,347.20/x
  3. Step 3: Cross multiply
    88,588.65x = 122,248.13 × 50,347.20
  4. Step 4: Simplify right side
    88,588.65x = 6,154,850,799
  5. Step 5: Solve for x
    x = 6,154,850,799/88,588.65
  6. Step 6: Final answer
    x = 69,476.74

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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.