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Finding the Fourth Proportional to 235,258.98, 324,658.71 and 127,829.90

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Solution

The fourth proportional to 235,258.98, 324,658.71 and 127,829.90 is: 176,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,258.98 : 324,658.71 = 127,829.90 : x
  2. Step 2: Convert to fraction form
    235,258.98/324,658.71 = 127,829.90/x
  3. Step 3: Cross multiply
    235,258.98x = 324,658.71 × 127,829.90
  4. Step 4: Simplify right side
    235,258.98x = 41,501,088,810.14
  5. Step 5: Solve for x
    x = 41,501,088,810.14/235,258.98
  6. Step 6: Final answer
    x = 176,405.97

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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.