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Finding the Fourth Proportional to 239,510.66, 359,487.12 and 121,264.84

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Solution

The fourth proportional to 239,510.66, 359,487.12 and 121,264.84 is: 182,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,510.66 : 359,487.12 = 121,264.84 : x
  2. Step 2: Convert to fraction form
    239,510.66/359,487.12 = 121,264.84/x
  3. Step 3: Cross multiply
    239,510.66x = 359,487.12 × 121,264.84
  4. Step 4: Simplify right side
    239,510.66x = 43,593,146,291.43
  5. Step 5: Solve for x
    x = 43,593,146,291.43/239,510.66
  6. Step 6: Final answer
    x = 182,009.21

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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.