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Finding the Fourth Proportional to 70,580.76, 97,358.66 and 41,881.51

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Solution

The fourth proportional to 70,580.76, 97,358.66 and 41,881.51 is: 57,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.76 : 97,358.66 = 41,881.51 : x
  2. Step 2: Convert to fraction form
    70,580.76/97,358.66 = 41,881.51/x
  3. Step 3: Cross multiply
    70,580.76x = 97,358.66 × 41,881.51
  4. Step 4: Simplify right side
    70,580.76x = 4,077,527,482.97
  5. Step 5: Solve for x
    x = 4,077,527,482.97/70,580.76
  6. Step 6: Final answer
    x = 57,771.09

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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.