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Finding the Fourth Proportional to 159,636.25, 220,299.51 and 88,018.82

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Solution

The fourth proportional to 159,636.25, 220,299.51 and 88,018.82 is: 121,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,636.25 : 220,299.51 = 88,018.82 : x
  2. Step 2: Convert to fraction form
    159,636.25/220,299.51 = 88,018.82/x
  3. Step 3: Cross multiply
    159,636.25x = 220,299.51 × 88,018.82
  4. Step 4: Simplify right side
    159,636.25x = 19,390,502,971.47
  5. Step 5: Solve for x
    x = 19,390,502,971.47/159,636.25
  6. Step 6: Final answer
    x = 121,466.79

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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.