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Finding the Fourth Proportional to 185,117.25, 255,461.99 and 100,234.11

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Solution

The fourth proportional to 185,117.25, 255,461.99 and 100,234.11 is: 138,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,117.25 : 255,461.99 = 100,234.11 : x
  2. Step 2: Convert to fraction form
    185,117.25/255,461.99 = 100,234.11/x
  3. Step 3: Cross multiply
    185,117.25x = 255,461.99 × 100,234.11
  4. Step 4: Simplify right side
    185,117.25x = 25,606,005,206.48
  5. Step 5: Solve for x
    x = 25,606,005,206.48/185,117.25
  6. Step 6: Final answer
    x = 138,323.17

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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.