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Finding the Fourth Proportional to 67,875.40, 101,813.10 and 18,627.40

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Solution

The fourth proportional to 67,875.40, 101,813.10 and 18,627.40 is: 27,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,875.40 : 101,813.10 = 18,627.40 : x
  2. Step 2: Convert to fraction form
    67,875.40/101,813.10 = 18,627.40/x
  3. Step 3: Cross multiply
    67,875.40x = 101,813.10 × 18,627.40
  4. Step 4: Simplify right side
    67,875.40x = 1,896,513,338.94
  5. Step 5: Solve for x
    x = 1,896,513,338.94/67,875.40
  6. Step 6: Final answer
    x = 27,941.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.