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Finding the Fourth Proportional to 64,166.12, 88,549.81 and 35,871.81

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Solution

The fourth proportional to 64,166.12, 88,549.81 and 35,871.81 is: 49,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.12 : 88,549.81 = 35,871.81 : x
  2. Step 2: Convert to fraction form
    64,166.12/88,549.81 = 35,871.81/x
  3. Step 3: Cross multiply
    64,166.12x = 88,549.81 × 35,871.81
  4. Step 4: Simplify right side
    64,166.12x = 3,176,442,036.21
  5. Step 5: Solve for x
    x = 3,176,442,036.21/64,166.12
  6. Step 6: Final answer
    x = 49,503.41

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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.