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Finding the Fourth Proportional to 109,798.19, 151,521.50 and 59,497.19

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Solution

The fourth proportional to 109,798.19, 151,521.50 and 59,497.19 is: 82,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,798.19 : 151,521.50 = 59,497.19 : x
  2. Step 2: Convert to fraction form
    109,798.19/151,521.50 = 59,497.19/x
  3. Step 3: Cross multiply
    109,798.19x = 151,521.50 × 59,497.19
  4. Step 4: Simplify right side
    109,798.19x = 9,015,103,474.59
  5. Step 5: Solve for x
    x = 9,015,103,474.59/109,798.19
  6. Step 6: Final answer
    x = 82,106.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.