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Finding the Fourth Proportional to 93,607.76, 129,163.61 and 53,322.30

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Solution

The fourth proportional to 93,607.76, 129,163.61 and 53,322.30 is: 73,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,607.76 : 129,163.61 = 53,322.30 : x
  2. Step 2: Convert to fraction form
    93,607.76/129,163.61 = 53,322.30/x
  3. Step 3: Cross multiply
    93,607.76x = 129,163.61 × 53,322.30
  4. Step 4: Simplify right side
    93,607.76x = 6,887,300,894.81
  5. Step 5: Solve for x
    x = 6,887,300,894.81/93,607.76
  6. Step 6: Final answer
    x = 73,576.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.