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Finding the Fourth Proportional to 93,807.68, 129,453.31 and 51,366.21

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Solution

The fourth proportional to 93,807.68, 129,453.31 and 51,366.21 is: 70,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,807.68 : 129,453.31 = 51,366.21 : x
  2. Step 2: Convert to fraction form
    93,807.68/129,453.31 = 51,366.21/x
  3. Step 3: Cross multiply
    93,807.68x = 129,453.31 × 51,366.21
  4. Step 4: Simplify right side
    93,807.68x = 6,649,525,906.66
  5. Step 5: Solve for x
    x = 6,649,525,906.66/93,807.68
  6. Step 6: Final answer
    x = 70,884.66

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1.5x scale

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.