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Finding the Fourth Proportional to 124,250.65, 171,467.85 and 67,661.98

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Solution

The fourth proportional to 124,250.65, 171,467.85 and 67,661.98 is: 93,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,250.65 : 171,467.85 = 67,661.98 : x
  2. Step 2: Convert to fraction form
    124,250.65/171,467.85 = 67,661.98/x
  3. Step 3: Cross multiply
    124,250.65x = 171,467.85 × 67,661.98
  4. Step 4: Simplify right side
    124,250.65x = 11,601,854,237.34
  5. Step 5: Solve for x
    x = 11,601,854,237.34/124,250.65
  6. Step 6: Final answer
    x = 93,374.60

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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.