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Finding the Fourth Proportional to 93,670.80, 140,477.88 and 49,273.08

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Solution

The fourth proportional to 93,670.80, 140,477.88 and 49,273.08 is: 73,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.80 : 140,477.88 = 49,273.08 : x
  2. Step 2: Convert to fraction form
    93,670.80/140,477.88 = 49,273.08/x
  3. Step 3: Cross multiply
    93,670.80x = 140,477.88 × 49,273.08
  4. Step 4: Simplify right side
    93,670.80x = 6,921,777,819.47
  5. Step 5: Solve for x
    x = 6,921,777,819.47/93,670.80
  6. Step 6: Final answer
    x = 73,894.72

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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.