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Finding the Fourth Proportional to 292,160.48, 438,196.62 and 92,454.80

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Solution

The fourth proportional to 292,160.48, 438,196.62 and 92,454.80 is: 138,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,160.48 : 438,196.62 = 92,454.80 : x
  2. Step 2: Convert to fraction form
    292,160.48/438,196.62 = 92,454.80/x
  3. Step 3: Cross multiply
    292,160.48x = 438,196.62 × 92,454.80
  4. Step 4: Simplify right side
    292,160.48x = 40,513,380,862.78
  5. Step 5: Solve for x
    x = 40,513,380,862.78/292,160.48
  6. Step 6: Final answer
    x = 138,668.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.