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Finding the Fourth Proportional to 111,110.76, 153,336.51 and 60,809.76

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Solution

The fourth proportional to 111,110.76, 153,336.51 and 60,809.76 is: 83,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,110.76 : 153,336.51 = 60,809.76 : x
  2. Step 2: Convert to fraction form
    111,110.76/153,336.51 = 60,809.76/x
  3. Step 3: Cross multiply
    111,110.76x = 153,336.51 × 60,809.76
  4. Step 4: Simplify right side
    111,110.76x = 9,324,356,372.34
  5. Step 5: Solve for x
    x = 9,324,356,372.34/111,110.76
  6. Step 6: Final answer
    x = 83,919.47

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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.