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Finding the Fourth Proportional to 235,047.42, 352,586.12 and 66,581.10

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Solution

The fourth proportional to 235,047.42, 352,586.12 and 66,581.10 is: 99,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,047.42 : 352,586.12 = 66,581.10 : x
  2. Step 2: Convert to fraction form
    235,047.42/352,586.12 = 66,581.10/x
  3. Step 3: Cross multiply
    235,047.42x = 352,586.12 × 66,581.10
  4. Step 4: Simplify right side
    235,047.42x = 23,475,571,381.43
  5. Step 5: Solve for x
    x = 23,475,571,381.43/235,047.42
  6. Step 6: Final answer
    x = 99,875.89

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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.