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Finding the Fourth Proportional to 124,399.30, 171,671.04 and 67,810.67

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Solution

The fourth proportional to 124,399.30, 171,671.04 and 67,810.67 is: 93,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,399.30 : 171,671.04 = 67,810.67 : x
  2. Step 2: Convert to fraction form
    124,399.30/171,671.04 = 67,810.67/x
  3. Step 3: Cross multiply
    124,399.30x = 171,671.04 × 67,810.67
  4. Step 4: Simplify right side
    124,399.30x = 11,641,128,242.00
  5. Step 5: Solve for x
    x = 11,641,128,242.00/124,399.30
  6. Step 6: Final answer
    x = 93,578.73

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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.