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Finding the Fourth Proportional to 292,632.80, 403,866.04 and 165,316.60

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Solution

The fourth proportional to 292,632.80, 403,866.04 and 165,316.60 is: 228,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,632.80 : 403,866.04 = 165,316.60 : x
  2. Step 2: Convert to fraction form
    292,632.80/403,866.04 = 165,316.60/x
  3. Step 3: Cross multiply
    292,632.80x = 403,866.04 × 165,316.60
  4. Step 4: Simplify right side
    292,632.80x = 66,765,758,155.64
  5. Step 5: Solve for x
    x = 66,765,758,155.64/292,632.80
  6. Step 6: Final answer
    x = 228,155.42

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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.