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Finding the Fourth Proportional to 108,711.40, 163,067.10 and 46,503.40

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Solution

The fourth proportional to 108,711.40, 163,067.10 and 46,503.40 is: 69,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,711.40 : 163,067.10 = 46,503.40 : x
  2. Step 2: Convert to fraction form
    108,711.40/163,067.10 = 46,503.40/x
  3. Step 3: Cross multiply
    108,711.40x = 163,067.10 × 46,503.40
  4. Step 4: Simplify right side
    108,711.40x = 7,583,174,578.14
  5. Step 5: Solve for x
    x = 7,583,174,578.14/108,711.40
  6. Step 6: Final answer
    x = 69,755.10

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1.5x scale

Why These Related Problems?

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