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Finding the Fourth Proportional to 70,461.48, 97,073.46 and 49,207.08

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Solution

The fourth proportional to 70,461.48, 97,073.46 and 49,207.08 is: 67,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,461.48 : 97,073.46 = 49,207.08 : x
  2. Step 2: Convert to fraction form
    70,461.48/97,073.46 = 49,207.08/x
  3. Step 3: Cross multiply
    70,461.48x = 97,073.46 × 49,207.08
  4. Step 4: Simplify right side
    70,461.48x = 4,776,701,512.10
  5. Step 5: Solve for x
    x = 4,776,701,512.10/70,461.48
  6. Step 6: Final answer
    x = 67,791.67

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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.