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Finding the Fourth Proportional to 88,670.16, 132,955.56 and 36,018

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Solution

The fourth proportional to 88,670.16, 132,955.56 and 36,018 is: 54,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,670.16 : 132,955.56 = 36,018 : x
  2. Step 2: Convert to fraction form
    88,670.16/132,955.56 = 36,018/x
  3. Step 3: Cross multiply
    88,670.16x = 132,955.56 × 36,018
  4. Step 4: Simplify right side
    88,670.16x = 4,788,793,360.08
  5. Step 5: Solve for x
    x = 4,788,793,360.08/88,670.16
  6. Step 6: Final answer
    x = 54,006.82

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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.