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Finding the Fourth Proportional to 174,842.70, 241,153.77 and 120,412.15

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Solution

The fourth proportional to 174,842.70, 241,153.77 and 120,412.15 is: 166,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,842.70 : 241,153.77 = 120,412.15 : x
  2. Step 2: Convert to fraction form
    174,842.70/241,153.77 = 120,412.15/x
  3. Step 3: Cross multiply
    174,842.70x = 241,153.77 × 120,412.15
  4. Step 4: Simplify right side
    174,842.70x = 29,037,843,926.31
  5. Step 5: Solve for x
    x = 29,037,843,926.31/174,842.70
  6. Step 6: Final answer
    x = 166,079.82

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1.5x scale

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.