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Finding the Fourth Proportional to 243,269.39, 364,903.20 and 65,776.39

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Solution

The fourth proportional to 243,269.39, 364,903.20 and 65,776.39 is: 98,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,269.39 : 364,903.20 = 65,776.39 : x
  2. Step 2: Convert to fraction form
    243,269.39/364,903.20 = 65,776.39/x
  3. Step 3: Cross multiply
    243,269.39x = 364,903.20 × 65,776.39
  4. Step 4: Simplify right side
    243,269.39x = 24,002,014,283.19
  5. Step 5: Solve for x
    x = 24,002,014,283.19/243,269.39
  6. Step 6: Final answer
    x = 98,664.34

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1.5x scale

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.