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Finding the Fourth Proportional to 228,073.32, 314,728.49 and 126,092.83

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Solution

The fourth proportional to 228,073.32, 314,728.49 and 126,092.83 is: 174,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,073.32 : 314,728.49 = 126,092.83 : x
  2. Step 2: Convert to fraction form
    228,073.32/314,728.49 = 126,092.83/x
  3. Step 3: Cross multiply
    228,073.32x = 314,728.49 × 126,092.83
  4. Step 4: Simplify right side
    228,073.32x = 39,685,004,883.67
  5. Step 5: Solve for x
    x = 39,685,004,883.67/228,073.32
  6. Step 6: Final answer
    x = 174,001.08

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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.