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Finding the Fourth Proportional to 103,335.95, 154,859.57 and 55,848.66

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Solution

The fourth proportional to 103,335.95, 154,859.57 and 55,848.66 is: 83,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,335.95 : 154,859.57 = 55,848.66 : x
  2. Step 2: Convert to fraction form
    103,335.95/154,859.57 = 55,848.66/x
  3. Step 3: Cross multiply
    103,335.95x = 154,859.57 × 55,848.66
  4. Step 4: Simplify right side
    103,335.95x = 8,648,699,193.43
  5. Step 5: Solve for x
    x = 8,648,699,193.43/103,335.95
  6. Step 6: Final answer
    x = 83,694.97

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1.5x scale

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.