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Finding the Fourth Proportional to 127,104.82, 175,407.90 and 69,746.60

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Solution

The fourth proportional to 127,104.82, 175,407.90 and 69,746.60 is: 96,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.82 : 175,407.90 = 69,746.60 : x
  2. Step 2: Convert to fraction form
    127,104.82/175,407.90 = 69,746.60/x
  3. Step 3: Cross multiply
    127,104.82x = 175,407.90 × 69,746.60
  4. Step 4: Simplify right side
    127,104.82x = 12,234,104,638.14
  5. Step 5: Solve for x
    x = 12,234,104,638.14/127,104.82
  6. Step 6: Final answer
    x = 96,252.09

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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.