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Finding the Fourth Proportional to 107,328.96, 148,114.53 and 67,066.11

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Solution

The fourth proportional to 107,328.96, 148,114.53 and 67,066.11 is: 92,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,328.96 : 148,114.53 = 67,066.11 : x
  2. Step 2: Convert to fraction form
    107,328.96/148,114.53 = 67,066.11/x
  3. Step 3: Cross multiply
    107,328.96x = 148,114.53 × 67,066.11
  4. Step 4: Simplify right side
    107,328.96x = 9,933,465,361.58
  5. Step 5: Solve for x
    x = 9,933,465,361.58/107,328.96
  6. Step 6: Final answer
    x = 92,551.58

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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.