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Finding the Fourth Proportional to 127,006.32, 174,939.48 and 88,698.48

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Solution

The fourth proportional to 127,006.32, 174,939.48 and 88,698.48 is: 122,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,006.32 : 174,939.48 = 88,698.48 : x
  2. Step 2: Convert to fraction form
    127,006.32/174,939.48 = 88,698.48/x
  3. Step 3: Cross multiply
    127,006.32x = 174,939.48 × 88,698.48
  4. Step 4: Simplify right side
    127,006.32x = 15,516,865,967.99
  5. Step 5: Solve for x
    x = 15,516,865,967.99/127,006.32
  6. Step 6: Final answer
    x = 122,173.97

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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.