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Finding the Fourth Proportional to 259,173.20, 357,662.59 and 144,448.64

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Solution

The fourth proportional to 259,173.20, 357,662.59 and 144,448.64 is: 199,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,173.20 : 357,662.59 = 144,448.64 : x
  2. Step 2: Convert to fraction form
    259,173.20/357,662.59 = 144,448.64/x
  3. Step 3: Cross multiply
    259,173.20x = 357,662.59 × 144,448.64
  4. Step 4: Simplify right side
    259,173.20x = 51,663,875,237.41
  5. Step 5: Solve for x
    x = 51,663,875,237.41/259,173.20
  6. Step 6: Final answer
    x = 199,341.12

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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.