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Finding the Fourth Proportional to 93,635.84, 140,424.58 and 31,291.76

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Solution

The fourth proportional to 93,635.84, 140,424.58 and 31,291.76 is: 46,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,635.84 : 140,424.58 = 31,291.76 : x
  2. Step 2: Convert to fraction form
    93,635.84/140,424.58 = 31,291.76/x
  3. Step 3: Cross multiply
    93,635.84x = 140,424.58 × 31,291.76
  4. Step 4: Simplify right side
    93,635.84x = 4,394,132,255.46
  5. Step 5: Solve for x
    x = 4,394,132,255.46/93,635.84
  6. Step 6: Final answer
    x = 46,927.89

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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.