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Finding the Fourth Proportional to 127,295.10, 175,667.30 and 69,938.11

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Solution

The fourth proportional to 127,295.10, 175,667.30 and 69,938.11 is: 96,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,295.10 : 175,667.30 = 69,938.11 : x
  2. Step 2: Convert to fraction form
    127,295.10/175,667.30 = 69,938.11/x
  3. Step 3: Cross multiply
    127,295.10x = 175,667.30 × 69,938.11
  4. Step 4: Simplify right side
    127,295.10x = 12,285,838,950.80
  5. Step 5: Solve for x
    x = 12,285,838,950.80/127,295.10
  6. Step 6: Final answer
    x = 96,514.63

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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.