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Finding the Fourth Proportional to 93,307.60, 139,919.28 and 26,732.49

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Solution

The fourth proportional to 93,307.60, 139,919.28 and 26,732.49 is: 40,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,307.60 : 139,919.28 = 26,732.49 : x
  2. Step 2: Convert to fraction form
    93,307.60/139,919.28 = 26,732.49/x
  3. Step 3: Cross multiply
    93,307.60x = 139,919.28 × 26,732.49
  4. Step 4: Simplify right side
    93,307.60x = 3,740,390,753.41
  5. Step 5: Solve for x
    x = 3,740,390,753.41/93,307.60
  6. Step 6: Final answer
    x = 40,086.67

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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.