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Finding the Fourth Proportional to 223,775.15, 335,547.30 and 65,983.10

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Solution

The fourth proportional to 223,775.15, 335,547.30 and 65,983.10 is: 98,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,775.15 : 335,547.30 = 65,983.10 : x
  2. Step 2: Convert to fraction form
    223,775.15/335,547.30 = 65,983.10/x
  3. Step 3: Cross multiply
    223,775.15x = 335,547.30 × 65,983.10
  4. Step 4: Simplify right side
    223,775.15x = 22,140,451,050.63
  5. Step 5: Solve for x
    x = 22,140,451,050.63/223,775.15
  6. Step 6: Final answer
    x = 98,940.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.