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Finding the Fourth Proportional to 247,559.56, 341,579.68 and 145,547.82

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Solution

The fourth proportional to 247,559.56, 341,579.68 and 145,547.82 is: 200,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,559.56 : 341,579.68 = 145,547.82 : x
  2. Step 2: Convert to fraction form
    247,559.56/341,579.68 = 145,547.82/x
  3. Step 3: Cross multiply
    247,559.56x = 341,579.68 × 145,547.82
  4. Step 4: Simplify right side
    247,559.56x = 49,716,177,416.43
  5. Step 5: Solve for x
    x = 49,716,177,416.43/247,559.56
  6. Step 6: Final answer
    x = 200,825.12

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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.