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Finding the Fourth Proportional to 235,363.29, 324,807.66 and 127,940.55

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Solution

The fourth proportional to 235,363.29, 324,807.66 and 127,940.55 is: 176,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,363.29 : 324,807.66 = 127,940.55 : x
  2. Step 2: Convert to fraction form
    235,363.29/324,807.66 = 127,940.55/x
  3. Step 3: Cross multiply
    235,363.29x = 324,807.66 × 127,940.55
  4. Step 4: Simplify right side
    235,363.29x = 41,556,070,664.61
  5. Step 5: Solve for x
    x = 41,556,070,664.61/235,363.29
  6. Step 6: Final answer
    x = 176,561.39

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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.