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Finding the Fourth Proportional to 91,984.80, 137,977.20 and 32,822.40

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Solution

The fourth proportional to 91,984.80, 137,977.20 and 32,822.40 is: 49,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,984.80 : 137,977.20 = 32,822.40 : x
  2. Step 2: Convert to fraction form
    91,984.80/137,977.20 = 32,822.40/x
  3. Step 3: Cross multiply
    91,984.80x = 137,977.20 × 32,822.40
  4. Step 4: Simplify right side
    91,984.80x = 4,528,742,849.28
  5. Step 5: Solve for x
    x = 4,528,742,849.28/91,984.80
  6. Step 6: Final answer
    x = 49,233.60

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Similar ratio
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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.