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Finding the Fourth Proportional to 73,995.68, 102,111.76 and 45,326.24

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Solution

The fourth proportional to 73,995.68, 102,111.76 and 45,326.24 is: 62,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,995.68 : 102,111.76 = 45,326.24 : x
  2. Step 2: Convert to fraction form
    73,995.68/102,111.76 = 45,326.24/x
  3. Step 3: Cross multiply
    73,995.68x = 102,111.76 × 45,326.24
  4. Step 4: Simplify right side
    73,995.68x = 4,628,342,140.58
  5. Step 5: Solve for x
    x = 4,628,342,140.58/73,995.68
  6. Step 6: Final answer
    x = 62,548.82

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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.