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Finding the Fourth Proportional to 127,120, 174,803.52 and 110,323.84

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Solution

The fourth proportional to 127,120, 174,803.52 and 110,323.84 is: 151,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,120 : 174,803.52 = 110,323.84 : x
  2. Step 2: Convert to fraction form
    127,120/174,803.52 = 110,323.84/x
  3. Step 3: Cross multiply
    127,120x = 174,803.52 × 110,323.84
  4. Step 4: Simplify right side
    127,120x = 19,284,995,571.92
  5. Step 5: Solve for x
    x = 19,284,995,571.92/127,120
  6. Step 6: Final answer
    x = 151,707.01

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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.