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Finding the Fourth Proportional to 111,333.96, 153,650.60 and 61,042.68

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Solution

The fourth proportional to 111,333.96, 153,650.60 and 61,042.68 is: 84,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,333.96 : 153,650.60 = 61,042.68 : x
  2. Step 2: Convert to fraction form
    111,333.96/153,650.60 = 61,042.68/x
  3. Step 3: Cross multiply
    111,333.96x = 153,650.60 × 61,042.68
  4. Step 4: Simplify right side
    111,333.96x = 9,379,244,407.61
  5. Step 5: Solve for x
    x = 9,379,244,407.61/111,333.96
  6. Step 6: Final answer
    x = 84,244.24

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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.