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Finding the Fourth Proportional to 223,345.70, 334,986.15 and 65,557.70

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Solution

The fourth proportional to 223,345.70, 334,986.15 and 65,557.70 is: 98,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,345.70 : 334,986.15 = 65,557.70 : x
  2. Step 2: Convert to fraction form
    223,345.70/334,986.15 = 65,557.70/x
  3. Step 3: Cross multiply
    223,345.70x = 334,986.15 × 65,557.70
  4. Step 4: Simplify right side
    223,345.70x = 21,960,921,525.86
  5. Step 5: Solve for x
    x = 21,960,921,525.86/223,345.70
  6. Step 6: Final answer
    x = 98,327.04

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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.