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Finding the Fourth Proportional to 73,509.77, 101,427.86 and 43,284.06

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Solution

The fourth proportional to 73,509.77, 101,427.86 and 43,284.06 is: 59,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,509.77 : 101,427.86 = 43,284.06 : x
  2. Step 2: Convert to fraction form
    73,509.77/101,427.86 = 43,284.06/x
  3. Step 3: Cross multiply
    73,509.77x = 101,427.86 × 43,284.06
  4. Step 4: Simplify right side
    73,509.77x = 4,390,209,577.91
  5. Step 5: Solve for x
    x = 4,390,209,577.91/73,509.77
  6. Step 6: Final answer
    x = 59,722.81

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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.