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Finding the Fourth Proportional to 79,886.66, 119,711.54 and 32,444.06

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Solution

The fourth proportional to 79,886.66, 119,711.54 and 32,444.06 is: 48,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,886.66 : 119,711.54 = 32,444.06 : x
  2. Step 2: Convert to fraction form
    79,886.66/119,711.54 = 32,444.06/x
  3. Step 3: Cross multiply
    79,886.66x = 119,711.54 × 32,444.06
  4. Step 4: Simplify right side
    79,886.66x = 3,883,928,386.45
  5. Step 5: Solve for x
    x = 3,883,928,386.45/79,886.66
  6. Step 6: Final answer
    x = 48,617.98

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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.