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Finding the Fourth Proportional to 104,974.80, 157,462.20 and 101,038.20

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Solution

The fourth proportional to 104,974.80, 157,462.20 and 101,038.20 is: 151,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,974.80 : 157,462.20 = 101,038.20 : x
  2. Step 2: Convert to fraction form
    104,974.80/157,462.20 = 101,038.20/x
  3. Step 3: Cross multiply
    104,974.80x = 157,462.20 × 101,038.20
  4. Step 4: Simplify right side
    104,974.80x = 15,909,697,256.04
  5. Step 5: Solve for x
    x = 15,909,697,256.04/104,974.80
  6. Step 6: Final answer
    x = 151,557.30

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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.