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Finding the Fourth Proportional to 183,971.92, 253,883.52 and 111,373.84

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Solution

The fourth proportional to 183,971.92, 253,883.52 and 111,373.84 is: 153,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,971.92 : 253,883.52 = 111,373.84 : x
  2. Step 2: Convert to fraction form
    183,971.92/253,883.52 = 111,373.84/x
  3. Step 3: Cross multiply
    183,971.92x = 253,883.52 × 111,373.84
  4. Step 4: Simplify right side
    183,971.92x = 28,275,982,535.12
  5. Step 5: Solve for x
    x = 28,275,982,535.12/183,971.92
  6. Step 6: Final answer
    x = 153,697.27

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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.