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Finding the Fourth Proportional to 292,656.96, 403,867.04 and 158,520.64

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Solution

The fourth proportional to 292,656.96, 403,867.04 and 158,520.64 is: 218,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,656.96 : 403,867.04 = 158,520.64 : x
  2. Step 2: Convert to fraction form
    292,656.96/403,867.04 = 158,520.64/x
  3. Step 3: Cross multiply
    292,656.96x = 403,867.04 × 158,520.64
  4. Step 4: Simplify right side
    292,656.96x = 64,021,261,655.71
  5. Step 5: Solve for x
    x = 64,021,261,655.71/292,656.96
  6. Step 6: Final answer
    x = 218,758.72

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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.