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Finding the Fourth Proportional to 239,292.54, 330,223.80 and 130,396.14

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Solution

The fourth proportional to 239,292.54, 330,223.80 and 130,396.14 is: 179,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,292.54 : 330,223.80 = 130,396.14 : x
  2. Step 2: Convert to fraction form
    239,292.54/330,223.80 = 130,396.14/x
  3. Step 3: Cross multiply
    239,292.54x = 330,223.80 × 130,396.14
  4. Step 4: Simplify right side
    239,292.54x = 43,059,908,856.13
  5. Step 5: Solve for x
    x = 43,059,908,856.13/239,292.54
  6. Step 6: Final answer
    x = 179,946.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.