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Finding the Fourth Proportional to 115,567.70, 159,466.66 and 67,810.10

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Solution

The fourth proportional to 115,567.70, 159,466.66 and 67,810.10 is: 93,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,567.70 : 159,466.66 = 67,810.10 : x
  2. Step 2: Convert to fraction form
    115,567.70/159,466.66 = 67,810.10/x
  3. Step 3: Cross multiply
    115,567.70x = 159,466.66 × 67,810.10
  4. Step 4: Simplify right side
    115,567.70x = 10,813,449,194.41
  5. Step 5: Solve for x
    x = 10,813,449,194.41/115,567.70
  6. Step 6: Final answer
    x = 93,568.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.