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Finding the Fourth Proportional to 227,547.34, 341,066.58 and 85,255.72

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Solution

The fourth proportional to 227,547.34, 341,066.58 and 85,255.72 is: 127,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,547.34 : 341,066.58 = 85,255.72 : x
  2. Step 2: Convert to fraction form
    227,547.34/341,066.58 = 85,255.72/x
  3. Step 3: Cross multiply
    227,547.34x = 341,066.58 × 85,255.72
  4. Step 4: Simplify right side
    227,547.34x = 29,077,876,845.84
  5. Step 5: Solve for x
    x = 29,077,876,845.84/227,547.34
  6. Step 6: Final answer
    x = 127,788.25

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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.