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Finding the Fourth Proportional to 292,083.90, 403,078.86 and 163,034.70

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Solution

The fourth proportional to 292,083.90, 403,078.86 and 163,034.70 is: 224,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,083.90 : 403,078.86 = 163,034.70 : x
  2. Step 2: Convert to fraction form
    292,083.90/403,078.86 = 163,034.70/x
  3. Step 3: Cross multiply
    292,083.90x = 403,078.86 × 163,034.70
  4. Step 4: Simplify right side
    292,083.90x = 65,715,841,016.44
  5. Step 5: Solve for x
    x = 65,715,841,016.44/292,083.90
  6. Step 6: Final answer
    x = 224,989.60

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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.