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Finding the Fourth Proportional to 115,804.80, 173,657.88 and 65,908.44

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Solution

The fourth proportional to 115,804.80, 173,657.88 and 65,908.44 is: 98,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,804.80 : 173,657.88 = 65,908.44 : x
  2. Step 2: Convert to fraction form
    115,804.80/173,657.88 = 65,908.44/x
  3. Step 3: Cross multiply
    115,804.80x = 173,657.88 × 65,908.44
  4. Step 4: Simplify right side
    115,804.80x = 11,445,519,964.51
  5. Step 5: Solve for x
    x = 11,445,519,964.51/115,804.80
  6. Step 6: Final answer
    x = 98,834.59

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1.5x scale

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.