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Finding the Fourth Proportional to 292,066.32, 403,051.50 and 157,930.32

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Solution

The fourth proportional to 292,066.32, 403,051.50 and 157,930.32 is: 217,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,066.32 : 403,051.50 = 157,930.32 : x
  2. Step 2: Convert to fraction form
    292,066.32/403,051.50 = 157,930.32/x
  3. Step 3: Cross multiply
    292,066.32x = 403,051.50 × 157,930.32
  4. Step 4: Simplify right side
    292,066.32x = 63,654,052,371.48
  5. Step 5: Solve for x
    x = 63,654,052,371.48/292,066.32
  6. Step 6: Final answer
    x = 217,943.83

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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.