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Finding the Fourth Proportional to 89,274.81, 133,966.89 and 35,957.01

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Solution

The fourth proportional to 89,274.81, 133,966.89 and 35,957.01 is: 53,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,274.81 : 133,966.89 = 35,957.01 : x
  2. Step 2: Convert to fraction form
    89,274.81/133,966.89 = 35,957.01/x
  3. Step 3: Cross multiply
    89,274.81x = 133,966.89 × 35,957.01
  4. Step 4: Simplify right side
    89,274.81x = 4,817,048,803.40
  5. Step 5: Solve for x
    x = 4,817,048,803.40/89,274.81
  6. Step 6: Final answer
    x = 53,957.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.