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Finding the Fourth Proportional to 235,527.40, 353,291.10 and 67,047.40

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Solution

The fourth proportional to 235,527.40, 353,291.10 and 67,047.40 is: 100,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,527.40 : 353,291.10 = 67,047.40 : x
  2. Step 2: Convert to fraction form
    235,527.40/353,291.10 = 67,047.40/x
  3. Step 3: Cross multiply
    235,527.40x = 353,291.10 × 67,047.40
  4. Step 4: Simplify right side
    235,527.40x = 23,687,249,698.14
  5. Step 5: Solve for x
    x = 23,687,249,698.14/235,527.40
  6. Step 6: Final answer
    x = 100,571.10

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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.