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Finding the Fourth Proportional to 111,625.49, 154,045.90 and 63,894.22

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Solution

The fourth proportional to 111,625.49, 154,045.90 and 63,894.22 is: 88,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,625.49 : 154,045.90 = 63,894.22 : x
  2. Step 2: Convert to fraction form
    111,625.49/154,045.90 = 63,894.22/x
  3. Step 3: Cross multiply
    111,625.49x = 154,045.90 × 63,894.22
  4. Step 4: Simplify right side
    111,625.49x = 9,842,642,319.45
  5. Step 5: Solve for x
    x = 9,842,642,319.45/111,625.49
  6. Step 6: Final answer
    x = 88,175.58

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1.5x scale

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.