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Finding the Fourth Proportional to 124,359.79, 171,638.90 and 73,369.58

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Solution

The fourth proportional to 124,359.79, 171,638.90 and 73,369.58 is: 101,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,359.79 : 171,638.90 = 73,369.58 : x
  2. Step 2: Convert to fraction form
    124,359.79/171,638.90 = 73,369.58/x
  3. Step 3: Cross multiply
    124,359.79x = 171,638.90 × 73,369.58
  4. Step 4: Simplify right side
    124,359.79x = 12,593,074,004.66
  5. Step 5: Solve for x
    x = 12,593,074,004.66/124,359.79
  6. Step 6: Final answer
    x = 101,263.23

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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.