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Finding the Fourth Proportional to 223,497.90, 335,246.85 and 65,742.30

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Solution

The fourth proportional to 223,497.90, 335,246.85 and 65,742.30 is: 98,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,497.90 : 335,246.85 = 65,742.30 : x
  2. Step 2: Convert to fraction form
    223,497.90/335,246.85 = 65,742.30/x
  3. Step 3: Cross multiply
    223,497.90x = 335,246.85 × 65,742.30
  4. Step 4: Simplify right side
    223,497.90x = 22,039,898,986.76
  5. Step 5: Solve for x
    x = 22,039,898,986.76/223,497.90
  6. Step 6: Final answer
    x = 98,613.45

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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.