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Finding the Fourth Proportional to 179,373, 247,541.31 and 111,427.50

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Solution

The fourth proportional to 179,373, 247,541.31 and 111,427.50 is: 153,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,373 : 247,541.31 = 111,427.50 : x
  2. Step 2: Convert to fraction form
    179,373/247,541.31 = 111,427.50/x
  3. Step 3: Cross multiply
    179,373x = 247,541.31 × 111,427.50
  4. Step 4: Simplify right side
    179,373x = 27,582,909,320.03
  5. Step 5: Solve for x
    x = 27,582,909,320.03/179,373
  6. Step 6: Final answer
    x = 153,774.03

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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.