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Finding the Fourth Proportional to 292,512.96, 403,669.44 and 158,376.96

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Solution

The fourth proportional to 292,512.96, 403,669.44 and 158,376.96 is: 218,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,512.96 : 403,669.44 = 158,376.96 : x
  2. Step 2: Convert to fraction form
    292,512.96/403,669.44 = 158,376.96/x
  3. Step 3: Cross multiply
    292,512.96x = 403,669.44 × 158,376.96
  4. Step 4: Simplify right side
    292,512.96x = 63,931,938,752.10
  5. Step 5: Solve for x
    x = 63,931,938,752.10/292,512.96
  6. Step 6: Final answer
    x = 218,561.05

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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.