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Finding the Fourth Proportional to 124,745.58, 172,148.99 and 67,384.91

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Solution

The fourth proportional to 124,745.58, 172,148.99 and 67,384.91 is: 92,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,745.58 : 172,148.99 = 67,384.91 : x
  2. Step 2: Convert to fraction form
    124,745.58/172,148.99 = 67,384.91/x
  3. Step 3: Cross multiply
    124,745.58x = 172,148.99 × 67,384.91
  4. Step 4: Simplify right side
    124,745.58x = 11,600,244,291.19
  5. Step 5: Solve for x
    x = 11,600,244,291.19/124,745.58
  6. Step 6: Final answer
    x = 92,991.22

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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.