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Finding the Fourth Proportional to 127,014.72, 175,277.43 and 69,654.84

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Solution

The fourth proportional to 127,014.72, 175,277.43 and 69,654.84 is: 96,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,014.72 : 175,277.43 = 69,654.84 : x
  2. Step 2: Convert to fraction form
    127,014.72/175,277.43 = 69,654.84/x
  3. Step 3: Cross multiply
    127,014.72x = 175,277.43 × 69,654.84
  4. Step 4: Simplify right side
    127,014.72x = 12,208,921,342.26
  5. Step 5: Solve for x
    x = 12,208,921,342.26/127,014.72
  6. Step 6: Final answer
    x = 96,122.10

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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.