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Finding the Fourth Proportional to 93,995.58, 129,715.92 and 51,554.01

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Solution

The fourth proportional to 93,995.58, 129,715.92 and 51,554.01 is: 71,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,995.58 : 129,715.92 = 51,554.01 : x
  2. Step 2: Convert to fraction form
    93,995.58/129,715.92 = 51,554.01/x
  3. Step 3: Cross multiply
    93,995.58x = 129,715.92 × 51,554.01
  4. Step 4: Simplify right side
    93,995.58x = 6,687,375,836.84
  5. Step 5: Solve for x
    x = 6,687,375,836.84/93,995.58
  6. Step 6: Final answer
    x = 71,145.64

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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.