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Finding the Fourth Proportional to 101,134.31, 151,580.86 and 47,025.90

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Solution

The fourth proportional to 101,134.31, 151,580.86 and 47,025.90 is: 70,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,134.31 : 151,580.86 = 47,025.90 : x
  2. Step 2: Convert to fraction form
    101,134.31/151,580.86 = 47,025.90/x
  3. Step 3: Cross multiply
    101,134.31x = 151,580.86 × 47,025.90
  4. Step 4: Simplify right side
    101,134.31x = 7,128,226,246.71
  5. Step 5: Solve for x
    x = 7,128,226,246.71/101,134.31
  6. Step 6: Final answer
    x = 70,482.77

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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.