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Finding the Fourth Proportional to 73,510.77, 101,429.24 and 43,285.06

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Solution

The fourth proportional to 73,510.77, 101,429.24 and 43,285.06 is: 59,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,510.77 : 101,429.24 = 43,285.06 : x
  2. Step 2: Convert to fraction form
    73,510.77/101,429.24 = 43,285.06/x
  3. Step 3: Cross multiply
    73,510.77x = 101,429.24 × 43,285.06
  4. Step 4: Simplify right side
    73,510.77x = 4,390,370,739.15
  5. Step 5: Solve for x
    x = 4,390,370,739.15/73,510.77
  6. Step 6: Final answer
    x = 59,724.18

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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.