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Finding the Fourth Proportional to 235,062.56, 324,377.51 and 127,630.28

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Solution

The fourth proportional to 235,062.56, 324,377.51 and 127,630.28 is: 176,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,062.56 : 324,377.51 = 127,630.28 : x
  2. Step 2: Convert to fraction form
    235,062.56/324,377.51 = 127,630.28/x
  3. Step 3: Cross multiply
    235,062.56x = 324,377.51 × 127,630.28
  4. Step 4: Simplify right side
    235,062.56x = 41,400,393,317.72
  5. Step 5: Solve for x
    x = 41,400,393,317.72/235,062.56
  6. Step 6: Final answer
    x = 176,125.00

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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.