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Finding the Fourth Proportional to 127,400.52, 175,811.68 and 69,256.88

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Solution

The fourth proportional to 127,400.52, 175,811.68 and 69,256.88 is: 95,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,400.52 : 175,811.68 = 69,256.88 : x
  2. Step 2: Convert to fraction form
    127,400.52/175,811.68 = 69,256.88/x
  3. Step 3: Cross multiply
    127,400.52x = 175,811.68 × 69,256.88
  4. Step 4: Simplify right side
    127,400.52x = 12,176,168,424.36
  5. Step 5: Solve for x
    x = 12,176,168,424.36/127,400.52
  6. Step 6: Final answer
    x = 95,573.93

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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.