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Finding the Fourth Proportional to 93,666.55, 129,261.73 and 51,227.81

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Solution

The fourth proportional to 93,666.55, 129,261.73 and 51,227.81 is: 70,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,666.55 : 129,261.73 = 51,227.81 : x
  2. Step 2: Convert to fraction form
    93,666.55/129,261.73 = 51,227.81/x
  3. Step 3: Cross multiply
    93,666.55x = 129,261.73 × 51,227.81
  4. Step 4: Simplify right side
    93,666.55x = 6,621,795,088.57
  5. Step 5: Solve for x
    x = 6,621,795,088.57/93,666.55
  6. Step 6: Final answer
    x = 70,695.41

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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.