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Finding the Fourth Proportional to 236,737.44, 355,107.51 and 78,965.43

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Solution

The fourth proportional to 236,737.44, 355,107.51 and 78,965.43 is: 118,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,737.44 : 355,107.51 = 78,965.43 : x
  2. Step 2: Convert to fraction form
    236,737.44/355,107.51 = 78,965.43/x
  3. Step 3: Cross multiply
    236,737.44x = 355,107.51 × 78,965.43
  4. Step 4: Simplify right side
    236,737.44x = 28,041,217,223.38
  5. Step 5: Solve for x
    x = 28,041,217,223.38/236,737.44
  6. Step 6: Final answer
    x = 118,448.60

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1.5x scale

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.