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Finding the Fourth Proportional to 103,093.95, 154,700.37 and 55,709.13

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Solution

The fourth proportional to 103,093.95, 154,700.37 and 55,709.13 is: 83,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,093.95 : 154,700.37 = 55,709.13 : x
  2. Step 2: Convert to fraction form
    103,093.95/154,700.37 = 55,709.13/x
  3. Step 3: Cross multiply
    103,093.95x = 154,700.37 × 55,709.13
  4. Step 4: Simplify right side
    103,093.95x = 8,618,223,023.38
  5. Step 5: Solve for x
    x = 8,618,223,023.38/103,093.95
  6. Step 6: Final answer
    x = 83,595.82

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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.