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Finding the Fourth Proportional to 292,377.42, 403,480.70 and 158,241.42

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Solution

The fourth proportional to 292,377.42, 403,480.70 and 158,241.42 is: 218,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,377.42 : 403,480.70 = 158,241.42 : x
  2. Step 2: Convert to fraction form
    292,377.42/403,480.70 = 158,241.42/x
  3. Step 3: Cross multiply
    292,377.42x = 403,480.70 × 158,241.42
  4. Step 4: Simplify right side
    292,377.42x = 63,847,358,910.59
  5. Step 5: Solve for x
    x = 63,847,358,910.59/292,377.42
  6. Step 6: Final answer
    x = 218,373.08

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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.