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Finding the Fourth Proportional to 64,468.53, 88,968.11 and 36,176.31

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Solution

The fourth proportional to 64,468.53, 88,968.11 and 36,176.31 is: 49,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,468.53 : 88,968.11 = 36,176.31 : x
  2. Step 2: Convert to fraction form
    64,468.53/88,968.11 = 36,176.31/x
  3. Step 3: Cross multiply
    64,468.53x = 88,968.11 × 36,176.31
  4. Step 4: Simplify right side
    64,468.53x = 3,218,537,746.59
  5. Step 5: Solve for x
    x = 3,218,537,746.59/64,468.53
  6. Step 6: Final answer
    x = 49,924.17

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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.