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Finding the Fourth Proportional to 93,476.30, 128,991.29 and 51,034.73

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Solution

The fourth proportional to 93,476.30, 128,991.29 and 51,034.73 is: 70,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,476.30 : 128,991.29 = 51,034.73 : x
  2. Step 2: Convert to fraction form
    93,476.30/128,991.29 = 51,034.73/x
  3. Step 3: Cross multiply
    93,476.30x = 128,991.29 × 51,034.73
  4. Step 4: Simplify right side
    93,476.30x = 6,583,034,757.37
  5. Step 5: Solve for x
    x = 6,583,034,757.37/93,476.30
  6. Step 6: Final answer
    x = 70,424.64

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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.