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Finding the Fourth Proportional to 75,010.98, 103,541.22 and 43,192.56

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Solution

The fourth proportional to 75,010.98, 103,541.22 and 43,192.56 is: 59,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,010.98 : 103,541.22 = 43,192.56 : x
  2. Step 2: Convert to fraction form
    75,010.98/103,541.22 = 43,192.56/x
  3. Step 3: Cross multiply
    75,010.98x = 103,541.22 × 43,192.56
  4. Step 4: Simplify right side
    75,010.98x = 4,472,210,357.32
  5. Step 5: Solve for x
    x = 4,472,210,357.32/75,010.98
  6. Step 6: Final answer
    x = 59,620.74

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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.