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Finding the Fourth Proportional to 70,466.60, 97,187.46 and 61,950.62

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Solution

The fourth proportional to 70,466.60, 97,187.46 and 61,950.62 is: 85,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,466.60 : 97,187.46 = 61,950.62 : x
  2. Step 2: Convert to fraction form
    70,466.60/97,187.46 = 61,950.62/x
  3. Step 3: Cross multiply
    70,466.60x = 97,187.46 × 61,950.62
  4. Step 4: Simplify right side
    70,466.60x = 6,020,823,403.23
  5. Step 5: Solve for x
    x = 6,020,823,403.23/70,466.60
  6. Step 6: Final answer
    x = 85,442.23

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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.