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Finding the Fourth Proportional to 93,807.37, 129,452.88 and 51,365.90

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Solution

The fourth proportional to 93,807.37, 129,452.88 and 51,365.90 is: 70,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,807.37 : 129,452.88 = 51,365.90 : x
  2. Step 2: Convert to fraction form
    93,807.37/129,452.88 = 51,365.90/x
  3. Step 3: Cross multiply
    93,807.37x = 129,452.88 × 51,365.90
  4. Step 4: Simplify right side
    93,807.37x = 6,649,463,688.79
  5. Step 5: Solve for x
    x = 6,649,463,688.79/93,807.37
  6. Step 6: Final answer
    x = 70,884.24

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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.