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Finding the Fourth Proportional to 146,710.84, 220,030.86 and 67,749.16

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Solution

The fourth proportional to 146,710.84, 220,030.86 and 67,749.16 is: 101,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.84 : 220,030.86 = 67,749.16 : x
  2. Step 2: Convert to fraction form
    146,710.84/220,030.86 = 67,749.16/x
  3. Step 3: Cross multiply
    146,710.84x = 220,030.86 × 67,749.16
  4. Step 4: Simplify right side
    146,710.84x = 14,906,905,939.08
  5. Step 5: Solve for x
    x = 14,906,905,939.08/146,710.84
  6. Step 6: Final answer
    x = 101,607.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.