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Finding the Fourth Proportional to 58,816, 81,166.08 and 32,320

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Solution

The fourth proportional to 58,816, 81,166.08 and 32,320 is: 44,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,816 : 81,166.08 = 32,320 : x
  2. Step 2: Convert to fraction form
    58,816/81,166.08 = 32,320/x
  3. Step 3: Cross multiply
    58,816x = 81,166.08 × 32,320
  4. Step 4: Simplify right side
    58,816x = 2,623,287,705.60
  5. Step 5: Solve for x
    x = 2,623,287,705.60/58,816
  6. Step 6: Final answer
    x = 44,601.60

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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.