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Finding the Fourth Proportional to 101,096.70, 151,572.15 and 66,056.10

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Solution

The fourth proportional to 101,096.70, 151,572.15 and 66,056.10 is: 99,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,096.70 : 151,572.15 = 66,056.10 : x
  2. Step 2: Convert to fraction form
    101,096.70/151,572.15 = 66,056.10/x
  3. Step 3: Cross multiply
    101,096.70x = 151,572.15 × 66,056.10
  4. Step 4: Simplify right side
    101,096.70x = 10,012,265,097.62
  5. Step 5: Solve for x
    x = 10,012,265,097.62/101,096.70
  6. Step 6: Final answer
    x = 99,036.52

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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.