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Finding the Fourth Proportional to 117,810.80, 176,732.62 and 37,851.19

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Solution

The fourth proportional to 117,810.80, 176,732.62 and 37,851.19 is: 56,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,810.80 : 176,732.62 = 37,851.19 : x
  2. Step 2: Convert to fraction form
    117,810.80/176,732.62 = 37,851.19/x
  3. Step 3: Cross multiply
    117,810.80x = 176,732.62 × 37,851.19
  4. Step 4: Simplify right side
    117,810.80x = 6,689,539,978.82
  5. Step 5: Solve for x
    x = 6,689,539,978.82/117,810.80
  6. Step 6: Final answer
    x = 56,782.06

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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.