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Finding the Fourth Proportional to 185,230.48, 255,602.88 and 104,665

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Solution

The fourth proportional to 185,230.48, 255,602.88 and 104,665 is: 144,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,230.48 : 255,602.88 = 104,665 : x
  2. Step 2: Convert to fraction form
    185,230.48/255,602.88 = 104,665/x
  3. Step 3: Cross multiply
    185,230.48x = 255,602.88 × 104,665
  4. Step 4: Simplify right side
    185,230.48x = 26,752,675,435.20
  5. Step 5: Solve for x
    x = 26,752,675,435.20/185,230.48
  6. Step 6: Final answer
    x = 144,429.12

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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.