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Finding the Fourth Proportional to 64,322.62, 88,808.53 and 40,160.37

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Solution

The fourth proportional to 64,322.62, 88,808.53 and 40,160.37 is: 55,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,322.62 : 88,808.53 = 40,160.37 : x
  2. Step 2: Convert to fraction form
    64,322.62/88,808.53 = 40,160.37/x
  3. Step 3: Cross multiply
    64,322.62x = 88,808.53 × 40,160.37
  4. Step 4: Simplify right side
    64,322.62x = 3,566,583,232.34
  5. Step 5: Solve for x
    x = 3,566,583,232.34/64,322.62
  6. Step 6: Final answer
    x = 55,448.35

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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.