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Finding the Fourth Proportional to 104,597.66, 144,345.90 and 56,851.02

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Solution

The fourth proportional to 104,597.66, 144,345.90 and 56,851.02 is: 78,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,597.66 : 144,345.90 = 56,851.02 : x
  2. Step 2: Convert to fraction form
    104,597.66/144,345.90 = 56,851.02/x
  3. Step 3: Cross multiply
    104,597.66x = 144,345.90 × 56,851.02
  4. Step 4: Simplify right side
    104,597.66x = 8,206,211,647.82
  5. Step 5: Solve for x
    x = 8,206,211,647.82/104,597.66
  6. Step 6: Final answer
    x = 78,455.03

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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.