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Finding the Fourth Proportional to 73,501.09, 110,307.12 and 53,830.64

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Solution

The fourth proportional to 73,501.09, 110,307.12 and 53,830.64 is: 80,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,501.09 : 110,307.12 = 53,830.64 : x
  2. Step 2: Convert to fraction form
    73,501.09/110,307.12 = 53,830.64/x
  3. Step 3: Cross multiply
    73,501.09x = 110,307.12 × 53,830.64
  4. Step 4: Simplify right side
    73,501.09x = 5,937,902,940.06
  5. Step 5: Solve for x
    x = 5,937,902,940.06/73,501.09
  6. Step 6: Final answer
    x = 80,786.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.