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Finding the Fourth Proportional to 259,173.59, 357,661.21 and 144,459.51

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Solution

The fourth proportional to 259,173.59, 357,661.21 and 144,459.51 is: 199,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,173.59 : 357,661.21 = 144,459.51 : x
  2. Step 2: Convert to fraction form
    259,173.59/357,661.21 = 144,459.51/x
  3. Step 3: Cross multiply
    259,173.59x = 357,661.21 × 144,459.51
  4. Step 4: Simplify right side
    259,173.59x = 51,667,563,142.61
  5. Step 5: Solve for x
    x = 51,667,563,142.61/259,173.59
  6. Step 6: Final answer
    x = 199,355.05

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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.