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Finding the Fourth Proportional to 234,587.52, 323,880.48 and 154,157.76

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Solution

The fourth proportional to 234,587.52, 323,880.48 and 154,157.76 is: 212,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,587.52 : 323,880.48 = 154,157.76 : x
  2. Step 2: Convert to fraction form
    234,587.52/323,880.48 = 154,157.76/x
  3. Step 3: Cross multiply
    234,587.52x = 323,880.48 × 154,157.76
  4. Step 4: Simplify right side
    234,587.52x = 49,928,689,304.52
  5. Step 5: Solve for x
    x = 49,928,689,304.52/234,587.52
  6. Step 6: Final answer
    x = 212,836.08

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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.