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Finding the Fourth Proportional to 65,894.64, 99,323.16 and 60,284.58

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Solution

The fourth proportional to 65,894.64, 99,323.16 and 60,284.58 is: 90,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.64 : 99,323.16 = 60,284.58 : x
  2. Step 2: Convert to fraction form
    65,894.64/99,323.16 = 60,284.58/x
  3. Step 3: Cross multiply
    65,894.64x = 99,323.16 × 60,284.58
  4. Step 4: Simplify right side
    65,894.64x = 5,987,654,984.87
  5. Step 5: Solve for x
    x = 5,987,654,984.87/65,894.64
  6. Step 6: Final answer
    x = 90,867.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.