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Finding the Fourth Proportional to 81,297.49, 112,187.68 and 44,999.01

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Solution

The fourth proportional to 81,297.49, 112,187.68 and 44,999.01 is: 62,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,297.49 : 112,187.68 = 44,999.01 : x
  2. Step 2: Convert to fraction form
    81,297.49/112,187.68 = 44,999.01/x
  3. Step 3: Cross multiply
    81,297.49x = 112,187.68 × 44,999.01
  4. Step 4: Simplify right side
    81,297.49x = 5,048,334,534.20
  5. Step 5: Solve for x
    x = 5,048,334,534.20/81,297.49
  6. Step 6: Final answer
    x = 62,097.05

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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.