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Finding the Fourth Proportional to 235,230.84, 324,618.78 and 127,800.80

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Solution

The fourth proportional to 235,230.84, 324,618.78 and 127,800.80 is: 176,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,230.84 : 324,618.78 = 127,800.80 : x
  2. Step 2: Convert to fraction form
    235,230.84/324,618.78 = 127,800.80/x
  3. Step 3: Cross multiply
    235,230.84x = 324,618.78 × 127,800.80
  4. Step 4: Simplify right side
    235,230.84x = 41,486,539,779.02
  5. Step 5: Solve for x
    x = 41,486,539,779.02/235,230.84
  6. Step 6: Final answer
    x = 176,365.22

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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.