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Finding the Fourth Proportional to 101,036.20, 151,539.90 and 34,479.40

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Solution

The fourth proportional to 101,036.20, 151,539.90 and 34,479.40 is: 51,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,036.20 : 151,539.90 = 34,479.40 : x
  2. Step 2: Convert to fraction form
    101,036.20/151,539.90 = 34,479.40/x
  3. Step 3: Cross multiply
    101,036.20x = 151,539.90 × 34,479.40
  4. Step 4: Simplify right side
    101,036.20x = 5,225,004,828.06
  5. Step 5: Solve for x
    x = 5,225,004,828.06/101,036.20
  6. Step 6: Final answer
    x = 51,714.19

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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.