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Finding the Fourth Proportional to 334,079.25, 501,148.08 and 84,761.25

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Solution

The fourth proportional to 334,079.25, 501,148.08 and 84,761.25 is: 127,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,079.25 : 501,148.08 = 84,761.25 : x
  2. Step 2: Convert to fraction form
    334,079.25/501,148.08 = 84,761.25/x
  3. Step 3: Cross multiply
    334,079.25x = 501,148.08 × 84,761.25
  4. Step 4: Simplify right side
    334,079.25x = 42,477,937,695.90
  5. Step 5: Solve for x
    x = 42,477,937,695.90/334,079.25
  6. Step 6: Final answer
    x = 127,149.28

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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.