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Finding the Fourth Proportional to 72,106.96, 108,228.28 and 36,593.77

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Solution

The fourth proportional to 72,106.96, 108,228.28 and 36,593.77 is: 54,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,106.96 : 108,228.28 = 36,593.77 : x
  2. Step 2: Convert to fraction form
    72,106.96/108,228.28 = 36,593.77/x
  3. Step 3: Cross multiply
    72,106.96x = 108,228.28 × 36,593.77
  4. Step 4: Simplify right side
    72,106.96x = 3,960,480,877.30
  5. Step 5: Solve for x
    x = 3,960,480,877.30/72,106.96
  6. Step 6: Final answer
    x = 54,925.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.