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Finding the Fourth Proportional to 71,808.26, 99,030.86 and 44,953.20

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Solution

The fourth proportional to 71,808.26, 99,030.86 and 44,953.20 is: 61,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,808.26 : 99,030.86 = 44,953.20 : x
  2. Step 2: Convert to fraction form
    71,808.26/99,030.86 = 44,953.20/x
  3. Step 3: Cross multiply
    71,808.26x = 99,030.86 × 44,953.20
  4. Step 4: Simplify right side
    71,808.26x = 4,451,754,055.75
  5. Step 5: Solve for x
    x = 4,451,754,055.75/71,808.26
  6. Step 6: Final answer
    x = 61,995.01

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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.