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Finding the Fourth Proportional to 292,247.48, 403,297.54 and 163,187.94

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Solution

The fourth proportional to 292,247.48, 403,297.54 and 163,187.94 is: 225,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,247.48 : 403,297.54 = 163,187.94 : x
  2. Step 2: Convert to fraction form
    292,247.48/403,297.54 = 163,187.94/x
  3. Step 3: Cross multiply
    292,247.48x = 403,297.54 × 163,187.94
  4. Step 4: Simplify right side
    292,247.48x = 65,813,294,759.67
  5. Step 5: Solve for x
    x = 65,813,294,759.67/292,247.48
  6. Step 6: Final answer
    x = 225,197.13

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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.