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Finding the Fourth Proportional to 61,707.54, 85,156.26 and 34,848.74

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Solution

The fourth proportional to 61,707.54, 85,156.26 and 34,848.74 is: 48,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.54 : 85,156.26 = 34,848.74 : x
  2. Step 2: Convert to fraction form
    61,707.54/85,156.26 = 34,848.74/x
  3. Step 3: Cross multiply
    61,707.54x = 85,156.26 × 34,848.74
  4. Step 4: Simplify right side
    61,707.54x = 2,967,588,364.11
  5. Step 5: Solve for x
    x = 2,967,588,364.11/61,707.54
  6. Step 6: Final answer
    x = 48,091.18

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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.