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Finding the Fourth Proportional to 292,336, 403,424.22 and 158,200

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Solution

The fourth proportional to 292,336, 403,424.22 and 158,200 is: 218,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,336 : 403,424.22 = 158,200 : x
  2. Step 2: Convert to fraction form
    292,336/403,424.22 = 158,200/x
  3. Step 3: Cross multiply
    292,336x = 403,424.22 × 158,200
  4. Step 4: Simplify right side
    292,336x = 63,821,711,604.00
  5. Step 5: Solve for x
    x = 63,821,711,604.00/292,336
  6. Step 6: Final answer
    x = 218,316.29

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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.