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Finding the Fourth Proportional to 267,830.72, 401,746.08 and 118,039.04

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Solution

The fourth proportional to 267,830.72, 401,746.08 and 118,039.04 is: 177,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,830.72 : 401,746.08 = 118,039.04 : x
  2. Step 2: Convert to fraction form
    267,830.72/401,746.08 = 118,039.04/x
  3. Step 3: Cross multiply
    267,830.72x = 401,746.08 × 118,039.04
  4. Step 4: Simplify right side
    267,830.72x = 47,421,721,606.96
  5. Step 5: Solve for x
    x = 47,421,721,606.96/267,830.72
  6. Step 6: Final answer
    x = 177,058.56

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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.