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Finding the Fourth Proportional to 176,870.74, 265,139.30 and 88,040.26

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Solution

The fourth proportional to 176,870.74, 265,139.30 and 88,040.26 is: 131,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,870.74 : 265,139.30 = 88,040.26 : x
  2. Step 2: Convert to fraction form
    176,870.74/265,139.30 = 88,040.26/x
  3. Step 3: Cross multiply
    176,870.74x = 265,139.30 × 88,040.26
  4. Step 4: Simplify right side
    176,870.74x = 23,342,932,908.22
  5. Step 5: Solve for x
    x = 23,342,932,908.22/176,870.74
  6. Step 6: Final answer
    x = 131,977.36

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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.