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Finding the Fourth Proportional to 104,817.20, 157,225.80 and 73,324.40

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Solution

The fourth proportional to 104,817.20, 157,225.80 and 73,324.40 is: 109,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,817.20 : 157,225.80 = 73,324.40 : x
  2. Step 2: Convert to fraction form
    104,817.20/157,225.80 = 73,324.40/x
  3. Step 3: Cross multiply
    104,817.20x = 157,225.80 × 73,324.40
  4. Step 4: Simplify right side
    104,817.20x = 11,528,487,449.52
  5. Step 5: Solve for x
    x = 11,528,487,449.52/104,817.20
  6. Step 6: Final answer
    x = 109,986.60

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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.