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Finding the Fourth Proportional to 99,068.87, 148,601.59 and 39,903.03

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Solution

The fourth proportional to 99,068.87, 148,601.59 and 39,903.03 is: 59,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,068.87 : 148,601.59 = 39,903.03 : x
  2. Step 2: Convert to fraction form
    99,068.87/148,601.59 = 39,903.03/x
  3. Step 3: Cross multiply
    99,068.87x = 148,601.59 × 39,903.03
  4. Step 4: Simplify right side
    99,068.87x = 5,929,653,604.06
  5. Step 5: Solve for x
    x = 5,929,653,604.06/99,068.87
  6. Step 6: Final answer
    x = 59,853.85

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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.