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Finding the Fourth Proportional to 223,243.95, 334,868.69 and 65,475.66

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Solution

The fourth proportional to 223,243.95, 334,868.69 and 65,475.66 is: 98,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,243.95 : 334,868.69 = 65,475.66 : x
  2. Step 2: Convert to fraction form
    223,243.95/334,868.69 = 65,475.66/x
  3. Step 3: Cross multiply
    223,243.95x = 334,868.69 × 65,475.66
  4. Step 4: Simplify right side
    223,243.95x = 21,925,748,491.09
  5. Step 5: Solve for x
    x = 21,925,748,491.09/223,243.95
  6. Step 6: Final answer
    x = 98,214.30

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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.