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Finding the Fourth Proportional to 116,791, 175,297.26 and 72,283.12

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Solution

The fourth proportional to 116,791, 175,297.26 and 72,283.12 is: 108,493.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,791 : 175,297.26 = 72,283.12 : x
  2. Step 2: Convert to fraction form
    116,791/175,297.26 = 72,283.12/x
  3. Step 3: Cross multiply
    116,791x = 175,297.26 × 72,283.12
  4. Step 4: Simplify right side
    116,791x = 12,671,032,880.25
  5. Step 5: Solve for x
    x = 12,671,032,880.25/116,791
  6. Step 6: Final answer
    x = 108,493.23

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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.