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Finding the Fourth Proportional to 239,393.18, 358,979.37 and 70,853.24

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Solution

The fourth proportional to 239,393.18, 358,979.37 and 70,853.24 is: 106,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,393.18 : 358,979.37 = 70,853.24 : x
  2. Step 2: Convert to fraction form
    239,393.18/358,979.37 = 70,853.24/x
  3. Step 3: Cross multiply
    239,393.18x = 358,979.37 × 70,853.24
  4. Step 4: Simplify right side
    239,393.18x = 25,434,851,457.66
  5. Step 5: Solve for x
    x = 25,434,851,457.66/239,393.18
  6. Step 6: Final answer
    x = 106,247.18

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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.