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Finding the Fourth Proportional to 239,219.49, 358,862.04 and 70,753.07

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Solution

The fourth proportional to 239,219.49, 358,862.04 and 70,753.07 is: 106,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,219.49 : 358,862.04 = 70,753.07 : x
  2. Step 2: Convert to fraction form
    239,219.49/358,862.04 = 70,753.07/x
  3. Step 3: Cross multiply
    239,219.49x = 358,862.04 × 70,753.07
  4. Step 4: Simplify right side
    239,219.49x = 25,390,589,242.15
  5. Step 5: Solve for x
    x = 25,390,589,242.15/239,219.49
  6. Step 6: Final answer
    x = 106,139.30

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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.