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Finding the Fourth Proportional to 234,750.80, 323,737.80 and 157,088.72

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Solution

The fourth proportional to 234,750.80, 323,737.80 and 157,088.72 is: 216,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,750.80 : 323,737.80 = 157,088.72 : x
  2. Step 2: Convert to fraction form
    234,750.80/323,737.80 = 157,088.72/x
  3. Step 3: Cross multiply
    234,750.80x = 323,737.80 × 157,088.72
  4. Step 4: Simplify right side
    234,750.80x = 50,855,556,617.62
  5. Step 5: Solve for x
    x = 50,855,556,617.62/234,750.80
  6. Step 6: Final answer
    x = 216,636.35

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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.