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Finding the Fourth Proportional to 75,323.70, 104,084.24 and 54,870.17

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Solution

The fourth proportional to 75,323.70, 104,084.24 and 54,870.17 is: 75,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,323.70 : 104,084.24 = 54,870.17 : x
  2. Step 2: Convert to fraction form
    75,323.70/104,084.24 = 54,870.17/x
  3. Step 3: Cross multiply
    75,323.70x = 104,084.24 × 54,870.17
  4. Step 4: Simplify right side
    75,323.70x = 5,711,119,148.35
  5. Step 5: Solve for x
    x = 5,711,119,148.35/75,323.70
  6. Step 6: Final answer
    x = 75,821.01

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1.5x scale

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.