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Finding the Fourth Proportional to 174,991.48, 241,486.14 and 99,539.80

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Solution

The fourth proportional to 174,991.48, 241,486.14 and 99,539.80 is: 137,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,991.48 : 241,486.14 = 99,539.80 : x
  2. Step 2: Convert to fraction form
    174,991.48/241,486.14 = 99,539.80/x
  3. Step 3: Cross multiply
    174,991.48x = 241,486.14 × 99,539.80
  4. Step 4: Simplify right side
    174,991.48x = 24,037,482,078.37
  5. Step 5: Solve for x
    x = 24,037,482,078.37/174,991.48
  6. Step 6: Final answer
    x = 137,363.73

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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.