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Finding the Fourth Proportional to 93,767.65, 140,656 and 30,587.65

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Solution

The fourth proportional to 93,767.65, 140,656 and 30,587.65 is: 45,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,767.65 : 140,656 = 30,587.65 : x
  2. Step 2: Convert to fraction form
    93,767.65/140,656 = 30,587.65/x
  3. Step 3: Cross multiply
    93,767.65x = 140,656 × 30,587.65
  4. Step 4: Simplify right side
    93,767.65x = 4,302,336,498.40
  5. Step 5: Solve for x
    x = 4,302,336,498.40/93,767.65
  6. Step 6: Final answer
    x = 45,882.95

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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.