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Finding the Fourth Proportional to 93,343.88, 128,824.27 and 57,532.97

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Solution

The fourth proportional to 93,343.88, 128,824.27 and 57,532.97 is: 79,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,343.88 : 128,824.27 = 57,532.97 : x
  2. Step 2: Convert to fraction form
    93,343.88/128,824.27 = 57,532.97/x
  3. Step 3: Cross multiply
    93,343.88x = 128,824.27 × 57,532.97
  4. Step 4: Simplify right side
    93,343.88x = 7,411,642,073.23
  5. Step 5: Solve for x
    x = 7,411,642,073.23/93,343.88
  6. Step 6: Final answer
    x = 79,401.48

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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.