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Finding the Fourth Proportional to 250,033, 345,048.78 and 136,853.32

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Solution

The fourth proportional to 250,033, 345,048.78 and 136,853.32 is: 188,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,033 : 345,048.78 = 136,853.32 : x
  2. Step 2: Convert to fraction form
    250,033/345,048.78 = 136,853.32/x
  3. Step 3: Cross multiply
    250,033x = 345,048.78 × 136,853.32
  4. Step 4: Simplify right side
    250,033x = 47,221,071,104.95
  5. Step 5: Solve for x
    x = 47,221,071,104.95/250,033
  6. Step 6: Final answer
    x = 188,859.35

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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.