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Finding the Fourth Proportional to 124,529.88, 186,774.72 and 35,763.20

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Solution

The fourth proportional to 124,529.88, 186,774.72 and 35,763.20 is: 53,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,529.88 : 186,774.72 = 35,763.20 : x
  2. Step 2: Convert to fraction form
    124,529.88/186,774.72 = 35,763.20/x
  3. Step 3: Cross multiply
    124,529.88x = 186,774.72 × 35,763.20
  4. Step 4: Simplify right side
    124,529.88x = 6,679,661,666.30
  5. Step 5: Solve for x
    x = 6,679,661,666.30/124,529.88
  6. Step 6: Final answer
    x = 53,639.03

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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.