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Finding the Fourth Proportional to 111,881.60, 167,822.40 and 102,550.40

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Solution

The fourth proportional to 111,881.60, 167,822.40 and 102,550.40 is: 153,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,881.60 : 167,822.40 = 102,550.40 : x
  2. Step 2: Convert to fraction form
    111,881.60/167,822.40 = 102,550.40/x
  3. Step 3: Cross multiply
    111,881.60x = 167,822.40 × 102,550.40
  4. Step 4: Simplify right side
    111,881.60x = 17,210,254,248.96
  5. Step 5: Solve for x
    x = 17,210,254,248.96/111,881.60
  6. Step 6: Final answer
    x = 153,825.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.