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Finding the Fourth Proportional to 102,532.20, 153,798.30 and 36,047.40

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Solution

The fourth proportional to 102,532.20, 153,798.30 and 36,047.40 is: 54,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,532.20 : 153,798.30 = 36,047.40 : x
  2. Step 2: Convert to fraction form
    102,532.20/153,798.30 = 36,047.40/x
  3. Step 3: Cross multiply
    102,532.20x = 153,798.30 × 36,047.40
  4. Step 4: Simplify right side
    102,532.20x = 5,544,028,839.42
  5. Step 5: Solve for x
    x = 5,544,028,839.42/102,532.20
  6. Step 6: Final answer
    x = 54,071.10

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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.