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Finding the Fourth Proportional to 127,295.66, 175,668.07 and 69,938.68

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Solution

The fourth proportional to 127,295.66, 175,668.07 and 69,938.68 is: 96,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,295.66 : 175,668.07 = 69,938.68 : x
  2. Step 2: Convert to fraction form
    127,295.66/175,668.07 = 69,938.68/x
  3. Step 3: Cross multiply
    127,295.66x = 175,668.07 × 69,938.68
  4. Step 4: Simplify right side
    127,295.66x = 12,285,992,933.95
  5. Step 5: Solve for x
    x = 12,285,992,933.95/127,295.66
  6. Step 6: Final answer
    x = 96,515.41

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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.