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Finding the Fourth Proportional to 252,016.60, 378,024.90 and 112,048.60

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Solution

The fourth proportional to 252,016.60, 378,024.90 and 112,048.60 is: 168,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,016.60 : 378,024.90 = 112,048.60 : x
  2. Step 2: Convert to fraction form
    252,016.60/378,024.90 = 112,048.60/x
  3. Step 3: Cross multiply
    252,016.60x = 378,024.90 × 112,048.60
  4. Step 4: Simplify right side
    252,016.60x = 42,357,160,810.14
  5. Step 5: Solve for x
    x = 42,357,160,810.14/252,016.60
  6. Step 6: Final answer
    x = 168,072.90

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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.