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Finding the Fourth Proportional to 90,062.58, 124,291.08 and 51,827.96

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Solution

The fourth proportional to 90,062.58, 124,291.08 and 51,827.96 is: 71,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,062.58 : 124,291.08 = 51,827.96 : x
  2. Step 2: Convert to fraction form
    90,062.58/124,291.08 = 51,827.96/x
  3. Step 3: Cross multiply
    90,062.58x = 124,291.08 × 51,827.96
  4. Step 4: Simplify right side
    90,062.58x = 6,441,752,501.14
  5. Step 5: Solve for x
    x = 6,441,752,501.14/90,062.58
  6. Step 6: Final answer
    x = 71,525.29

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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.