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Finding the Fourth Proportional to 101,129.04, 151,580.48 and 37,888.32

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Solution

The fourth proportional to 101,129.04, 151,580.48 and 37,888.32 is: 56,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,129.04 : 151,580.48 = 37,888.32 : x
  2. Step 2: Convert to fraction form
    101,129.04/151,580.48 = 37,888.32/x
  3. Step 3: Cross multiply
    101,129.04x = 151,580.48 × 37,888.32
  4. Step 4: Simplify right side
    101,129.04x = 5,743,129,731.99
  5. Step 5: Solve for x
    x = 5,743,129,731.99/101,129.04
  6. Step 6: Final answer
    x = 56,790.11

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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.