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Finding the Fourth Proportional to 235,515.65, 353,277.51 and 67,040.30

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Solution

The fourth proportional to 235,515.65, 353,277.51 and 67,040.30 is: 100,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,515.65 : 353,277.51 = 67,040.30 : x
  2. Step 2: Convert to fraction form
    235,515.65/353,277.51 = 67,040.30/x
  3. Step 3: Cross multiply
    235,515.65x = 353,277.51 × 67,040.30
  4. Step 4: Simplify right side
    235,515.65x = 23,683,830,253.65
  5. Step 5: Solve for x
    x = 23,683,830,253.65/235,515.65
  6. Step 6: Final answer
    x = 100,561.60

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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.