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Finding the Fourth Proportional to 247,064.49, 340,948.98 and 133,887.24

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Solution

The fourth proportional to 247,064.49, 340,948.98 and 133,887.24 is: 184,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,064.49 : 340,948.98 = 133,887.24 : x
  2. Step 2: Convert to fraction form
    247,064.49/340,948.98 = 133,887.24/x
  3. Step 3: Cross multiply
    247,064.49x = 340,948.98 × 133,887.24
  4. Step 4: Simplify right side
    247,064.49x = 45,648,717,913.02
  5. Step 5: Solve for x
    x = 45,648,717,913.02/247,064.49
  6. Step 6: Final answer
    x = 184,764.38

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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.