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Finding the Fourth Proportional to 93,672.05, 129,264.80 and 51,227.91

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Solution

The fourth proportional to 93,672.05, 129,264.80 and 51,227.91 is: 70,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,672.05 : 129,264.80 = 51,227.91 : x
  2. Step 2: Convert to fraction form
    93,672.05/129,264.80 = 51,227.91/x
  3. Step 3: Cross multiply
    93,672.05x = 129,264.80 × 51,227.91
  4. Step 4: Simplify right side
    93,672.05x = 6,621,965,284.43
  5. Step 5: Solve for x
    x = 6,621,965,284.43/93,672.05
  6. Step 6: Final answer
    x = 70,693.08

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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.