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Finding the Fourth Proportional to 110,077.84, 151,908 and 62,340.48

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Solution

The fourth proportional to 110,077.84, 151,908 and 62,340.48 is: 86,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,077.84 : 151,908 = 62,340.48 : x
  2. Step 2: Convert to fraction form
    110,077.84/151,908 = 62,340.48/x
  3. Step 3: Cross multiply
    110,077.84x = 151,908 × 62,340.48
  4. Step 4: Simplify right side
    110,077.84x = 9,470,017,635.84
  5. Step 5: Solve for x
    x = 9,470,017,635.84/110,077.84
  6. Step 6: Final answer
    x = 86,030.19

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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.