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Finding the Fourth Proportional to 239,159.06, 330,027.04 and 148,513.11

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Solution

The fourth proportional to 239,159.06, 330,027.04 and 148,513.11 is: 204,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,159.06 : 330,027.04 = 148,513.11 : x
  2. Step 2: Convert to fraction form
    239,159.06/330,027.04 = 148,513.11/x
  3. Step 3: Cross multiply
    239,159.06x = 330,027.04 × 148,513.11
  4. Step 4: Simplify right side
    239,159.06x = 49,013,341,042.53
  5. Step 5: Solve for x
    x = 49,013,341,042.53/239,159.06
  6. Step 6: Final answer
    x = 204,940.35

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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.