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Finding the Fourth Proportional to 103,151.63, 154,728.81 and 33,030.95

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Solution

The fourth proportional to 103,151.63, 154,728.81 and 33,030.95 is: 49,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,151.63 : 154,728.81 = 33,030.95 : x
  2. Step 2: Convert to fraction form
    103,151.63/154,728.81 = 33,030.95/x
  3. Step 3: Cross multiply
    103,151.63x = 154,728.81 × 33,030.95
  4. Step 4: Simplify right side
    103,151.63x = 5,110,838,813.03
  5. Step 5: Solve for x
    x = 5,110,838,813.03/103,151.63
  6. Step 6: Final answer
    x = 49,546.85

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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.