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Finding the Fourth Proportional to 207,259.98, 310,889.25 and 57,499.98

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Solution

The fourth proportional to 207,259.98, 310,889.25 and 57,499.98 is: 86,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,259.98 : 310,889.25 = 57,499.98 : x
  2. Step 2: Convert to fraction form
    207,259.98/310,889.25 = 57,499.98/x
  3. Step 3: Cross multiply
    207,259.98x = 310,889.25 × 57,499.98
  4. Step 4: Simplify right side
    207,259.98x = 17,876,125,657.22
  5. Step 5: Solve for x
    x = 17,876,125,657.22/207,259.98
  6. Step 6: Final answer
    x = 86,249.77

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1.5x scale

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.