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Finding the Fourth Proportional to 103,117.76, 154,571.54 and 94,027.15

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Solution

The fourth proportional to 103,117.76, 154,571.54 and 94,027.15 is: 140,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,117.76 : 154,571.54 = 94,027.15 : x
  2. Step 2: Convert to fraction form
    103,117.76/154,571.54 = 94,027.15/x
  3. Step 3: Cross multiply
    103,117.76x = 154,571.54 × 94,027.15
  4. Step 4: Simplify right side
    103,117.76x = 14,533,921,225.95
  5. Step 5: Solve for x
    x = 14,533,921,225.95/103,117.76
  6. Step 6: Final answer
    x = 140,944.90

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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.