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Finding the Fourth Proportional to 239,059.72, 358,505.92 and 70,535.31

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Solution

The fourth proportional to 239,059.72, 358,505.92 and 70,535.31 is: 105,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,059.72 : 358,505.92 = 70,535.31 : x
  2. Step 2: Convert to fraction form
    239,059.72/358,505.92 = 70,535.31/x
  3. Step 3: Cross multiply
    239,059.72x = 358,505.92 × 70,535.31
  4. Step 4: Simplify right side
    239,059.72x = 25,287,326,204.04
  5. Step 5: Solve for x
    x = 25,287,326,204.04/239,059.72
  6. Step 6: Final answer
    x = 105,778.28

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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.