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Finding the Fourth Proportional to 292,077.36, 403,066.80 and 157,941.36

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Solution

The fourth proportional to 292,077.36, 403,066.80 and 157,941.36 is: 217,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,077.36 : 403,066.80 = 157,941.36 : x
  2. Step 2: Convert to fraction form
    292,077.36/403,066.80 = 157,941.36/x
  3. Step 3: Cross multiply
    292,077.36x = 403,066.80 × 157,941.36
  4. Step 4: Simplify right side
    292,077.36x = 63,660,918,562.85
  5. Step 5: Solve for x
    x = 63,660,918,562.85/292,077.36
  6. Step 6: Final answer
    x = 217,959.10

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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.