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Finding the Fourth Proportional to 235,017.80, 324,324.80 and 127,587.76

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Solution

The fourth proportional to 235,017.80, 324,324.80 and 127,587.76 is: 176,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,017.80 : 324,324.80 = 127,587.76 : x
  2. Step 2: Convert to fraction form
    235,017.80/324,324.80 = 127,587.76/x
  3. Step 3: Cross multiply
    235,017.80x = 324,324.80 × 127,587.76
  4. Step 4: Simplify right side
    235,017.80x = 41,379,874,744.45
  5. Step 5: Solve for x
    x = 41,379,874,744.45/235,017.80
  6. Step 6: Final answer
    x = 176,071.24

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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.