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Finding the Fourth Proportional to 93,300.44, 128,754.29 and 53,012.25

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Solution

The fourth proportional to 93,300.44, 128,754.29 and 53,012.25 is: 73,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,300.44 : 128,754.29 = 53,012.25 : x
  2. Step 2: Convert to fraction form
    93,300.44/128,754.29 = 53,012.25/x
  3. Step 3: Cross multiply
    93,300.44x = 128,754.29 × 53,012.25
  4. Step 4: Simplify right side
    93,300.44x = 6,825,554,344.99
  5. Step 5: Solve for x
    x = 6,825,554,344.99/93,300.44
  6. Step 6: Final answer
    x = 73,156.73

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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.