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Finding the Fourth Proportional to 334,060.50, 501,119.91 and 84,742.50

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Solution

The fourth proportional to 334,060.50, 501,119.91 and 84,742.50 is: 127,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,060.50 : 501,119.91 = 84,742.50 : x
  2. Step 2: Convert to fraction form
    334,060.50/501,119.91 = 84,742.50/x
  3. Step 3: Cross multiply
    334,060.50x = 501,119.91 × 84,742.50
  4. Step 4: Simplify right side
    334,060.50x = 42,466,153,973.18
  5. Step 5: Solve for x
    x = 42,466,153,973.18/334,060.50
  6. Step 6: Final answer
    x = 127,121.15

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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.