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Finding the Fourth Proportional to 292,961.39, 404,270.35 and 163,874.93

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Solution

The fourth proportional to 292,961.39, 404,270.35 and 163,874.93 is: 226,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,961.39 : 404,270.35 = 163,874.93 : x
  2. Step 2: Convert to fraction form
    292,961.39/404,270.35 = 163,874.93/x
  3. Step 3: Cross multiply
    292,961.39x = 404,270.35 × 163,874.93
  4. Step 4: Simplify right side
    292,961.39x = 66,249,775,908.31
  5. Step 5: Solve for x
    x = 66,249,775,908.31/292,961.39
  6. Step 6: Final answer
    x = 226,138.25

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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.