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Finding the Fourth Proportional to 514,039.59, 771,060.60 and 140,062.59

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Solution

The fourth proportional to 514,039.59, 771,060.60 and 140,062.59 is: 210,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,039.59 : 771,060.60 = 140,062.59 : x
  2. Step 2: Convert to fraction form
    514,039.59/771,060.60 = 140,062.59/x
  3. Step 3: Cross multiply
    514,039.59x = 771,060.60 × 140,062.59
  4. Step 4: Simplify right side
    514,039.59x = 107,996,744,682.95
  5. Step 5: Solve for x
    x = 107,996,744,682.95/514,039.59
  6. Step 6: Final answer
    x = 210,094.22

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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.