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Finding the Fourth Proportional to 124,238.76, 171,392.16 and 73,216.63

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Solution

The fourth proportional to 124,238.76, 171,392.16 and 73,216.63 is: 101,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,238.76 : 171,392.16 = 73,216.63 : x
  2. Step 2: Convert to fraction form
    124,238.76/171,392.16 = 73,216.63/x
  3. Step 3: Cross multiply
    124,238.76x = 171,392.16 × 73,216.63
  4. Step 4: Simplify right side
    124,238.76x = 12,548,756,363.62
  5. Step 5: Solve for x
    x = 12,548,756,363.62/124,238.76
  6. Step 6: Final answer
    x = 101,005.16

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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.