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Finding the Fourth Proportional to 82,875.60, 114,369.84 and 45,150.48

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Solution

The fourth proportional to 82,875.60, 114,369.84 and 45,150.48 is: 62,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,875.60 : 114,369.84 = 45,150.48 : x
  2. Step 2: Convert to fraction form
    82,875.60/114,369.84 = 45,150.48/x
  3. Step 3: Cross multiply
    82,875.60x = 114,369.84 × 45,150.48
  4. Step 4: Simplify right side
    82,875.60x = 5,163,853,173.52
  5. Step 5: Solve for x
    x = 5,163,853,173.52/82,875.60
  6. Step 6: Final answer
    x = 62,308.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.