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Finding the Fourth Proportional to 182,490.50, 251,837.01 and 103,002.50

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Solution

The fourth proportional to 182,490.50, 251,837.01 and 103,002.50 is: 142,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,490.50 : 251,837.01 = 103,002.50 : x
  2. Step 2: Convert to fraction form
    182,490.50/251,837.01 = 103,002.50/x
  3. Step 3: Cross multiply
    182,490.50x = 251,837.01 × 103,002.50
  4. Step 4: Simplify right side
    182,490.50x = 25,939,841,622.53
  5. Step 5: Solve for x
    x = 25,939,841,622.53/182,490.50
  6. Step 6: Final answer
    x = 142,143.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.