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Finding the Fourth Proportional to 110,029, 151,840.20 and 59,728

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Solution

The fourth proportional to 110,029, 151,840.20 and 59,728 is: 82,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,029 : 151,840.20 = 59,728 : x
  2. Step 2: Convert to fraction form
    110,029/151,840.20 = 59,728/x
  3. Step 3: Cross multiply
    110,029x = 151,840.20 × 59,728
  4. Step 4: Simplify right side
    110,029x = 9,069,111,465.60
  5. Step 5: Solve for x
    x = 9,069,111,465.60/110,029
  6. Step 6: Final answer
    x = 82,424.74

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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.