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Finding the Fourth Proportional to 111,894.58, 154,417.76 and 60,910.62

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Solution

The fourth proportional to 111,894.58, 154,417.76 and 60,910.62 is: 84,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,894.58 : 154,417.76 = 60,910.62 : x
  2. Step 2: Convert to fraction form
    111,894.58/154,417.76 = 60,910.62/x
  3. Step 3: Cross multiply
    111,894.58x = 154,417.76 × 60,910.62
  4. Step 4: Simplify right side
    111,894.58x = 9,405,680,845.41
  5. Step 5: Solve for x
    x = 9,405,680,845.41/111,894.58
  6. Step 6: Final answer
    x = 84,058.41

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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.