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Finding the Fourth Proportional to 173,796.30, 260,878.80 and 153,934.74

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Solution

The fourth proportional to 173,796.30, 260,878.80 and 153,934.74 is: 231,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,796.30 : 260,878.80 = 153,934.74 : x
  2. Step 2: Convert to fraction form
    173,796.30/260,878.80 = 153,934.74/x
  3. Step 3: Cross multiply
    173,796.30x = 260,878.80 × 153,934.74
  4. Step 4: Simplify right side
    173,796.30x = 40,158,310,249.51
  5. Step 5: Solve for x
    x = 40,158,310,249.51/173,796.30
  6. Step 6: Final answer
    x = 231,065.39

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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.