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Finding the Fourth Proportional to 70,587.75, 97,411.17 and 41,913.14

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Solution

The fourth proportional to 70,587.75, 97,411.17 and 41,913.14 is: 57,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.75 : 97,411.17 = 41,913.14 : x
  2. Step 2: Convert to fraction form
    70,587.75/97,411.17 = 41,913.14/x
  3. Step 3: Cross multiply
    70,587.75x = 97,411.17 × 41,913.14
  4. Step 4: Simplify right side
    70,587.75x = 4,082,807,518.72
  5. Step 5: Solve for x
    x = 4,082,807,518.72/70,587.75
  6. Step 6: Final answer
    x = 57,840.17

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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.