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Finding the Fourth Proportional to 85,159.68, 127,740.48 and 32,571.84

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Solution

The fourth proportional to 85,159.68, 127,740.48 and 32,571.84 is: 48,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.68 : 127,740.48 = 32,571.84 : x
  2. Step 2: Convert to fraction form
    85,159.68/127,740.48 = 32,571.84/x
  3. Step 3: Cross multiply
    85,159.68x = 127,740.48 × 32,571.84
  4. Step 4: Simplify right side
    85,159.68x = 4,160,742,476.08
  5. Step 5: Solve for x
    x = 4,160,742,476.08/85,159.68
  6. Step 6: Final answer
    x = 48,858.13

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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.