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Finding the Fourth Proportional to 148,880.84, 205,562.81 and 91,597.23

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Solution

The fourth proportional to 148,880.84, 205,562.81 and 91,597.23 is: 126,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,880.84 : 205,562.81 = 91,597.23 : x
  2. Step 2: Convert to fraction form
    148,880.84/205,562.81 = 91,597.23/x
  3. Step 3: Cross multiply
    148,880.84x = 205,562.81 × 91,597.23
  4. Step 4: Simplify right side
    148,880.84x = 18,828,984,216.01
  5. Step 5: Solve for x
    x = 18,828,984,216.01/148,880.84
  6. Step 6: Final answer
    x = 126,470.17

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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.