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Finding the Fourth Proportional to 73,759.76, 101,802.60 and 69,258.32

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Solution

The fourth proportional to 73,759.76, 101,802.60 and 69,258.32 is: 95,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,759.76 : 101,802.60 = 69,258.32 : x
  2. Step 2: Convert to fraction form
    73,759.76/101,802.60 = 69,258.32/x
  3. Step 3: Cross multiply
    73,759.76x = 101,802.60 × 69,258.32
  4. Step 4: Simplify right side
    73,759.76x = 7,050,677,047.63
  5. Step 5: Solve for x
    x = 7,050,677,047.63/73,759.76
  6. Step 6: Final answer
    x = 95,589.75

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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.