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Finding the Fourth Proportional to 109,946.04, 151,724.64 and 62,199

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Solution

The fourth proportional to 109,946.04, 151,724.64 and 62,199 is: 85,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,946.04 : 151,724.64 = 62,199 : x
  2. Step 2: Convert to fraction form
    109,946.04/151,724.64 = 62,199/x
  3. Step 3: Cross multiply
    109,946.04x = 151,724.64 × 62,199
  4. Step 4: Simplify right side
    109,946.04x = 9,437,120,883.36
  5. Step 5: Solve for x
    x = 9,437,120,883.36/109,946.04
  6. Step 6: Final answer
    x = 85,834.11

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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.