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Finding the Fourth Proportional to 88,141.58, 132,264.90 and 31,986.07

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Solution

The fourth proportional to 88,141.58, 132,264.90 and 31,986.07 is: 47,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,141.58 : 132,264.90 = 31,986.07 : x
  2. Step 2: Convert to fraction form
    88,141.58/132,264.90 = 31,986.07/x
  3. Step 3: Cross multiply
    88,141.58x = 132,264.90 × 31,986.07
  4. Step 4: Simplify right side
    88,141.58x = 4,230,634,349.94
  5. Step 5: Solve for x
    x = 4,230,634,349.94/88,141.58
  6. Step 6: Final answer
    x = 47,998.17

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1.5x scale

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.