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Finding the Fourth Proportional to 93,322.44, 139,931.67 and 55,387.11

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Solution

The fourth proportional to 93,322.44, 139,931.67 and 55,387.11 is: 83,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,322.44 : 139,931.67 = 55,387.11 : x
  2. Step 2: Convert to fraction form
    93,322.44/139,931.67 = 55,387.11/x
  3. Step 3: Cross multiply
    93,322.44x = 139,931.67 × 55,387.11
  4. Step 4: Simplify right side
    93,322.44x = 7,750,410,798.77
  5. Step 5: Solve for x
    x = 7,750,410,798.77/93,322.44
  6. Step 6: Final answer
    x = 83,049.81

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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.