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Finding the Fourth Proportional to 61,135.66, 91,695.68 and 23,670.10

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Solution

The fourth proportional to 61,135.66, 91,695.68 and 23,670.10 is: 35,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,135.66 : 91,695.68 = 23,670.10 : x
  2. Step 2: Convert to fraction form
    61,135.66/91,695.68 = 23,670.10/x
  3. Step 3: Cross multiply
    61,135.66x = 91,695.68 × 23,670.10
  4. Step 4: Simplify right side
    61,135.66x = 2,170,445,915.17
  5. Step 5: Solve for x
    x = 2,170,445,915.17/61,135.66
  6. Step 6: Final answer
    x = 35,502.13

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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.