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Finding the Fourth Proportional to 124,034.20, 186,051.30 and 54,050.20

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Solution

The fourth proportional to 124,034.20, 186,051.30 and 54,050.20 is: 81,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,034.20 : 186,051.30 = 54,050.20 : x
  2. Step 2: Convert to fraction form
    124,034.20/186,051.30 = 54,050.20/x
  3. Step 3: Cross multiply
    124,034.20x = 186,051.30 × 54,050.20
  4. Step 4: Simplify right side
    124,034.20x = 10,056,109,975.26
  5. Step 5: Solve for x
    x = 10,056,109,975.26/124,034.20
  6. Step 6: Final answer
    x = 81,075.30

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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.