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Finding the Fourth Proportional to 70,307.84, 96,906.48 and 53,306.48

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Solution

The fourth proportional to 70,307.84, 96,906.48 and 53,306.48 is: 73,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,307.84 : 96,906.48 = 53,306.48 : x
  2. Step 2: Convert to fraction form
    70,307.84/96,906.48 = 53,306.48/x
  3. Step 3: Cross multiply
    70,307.84x = 96,906.48 × 53,306.48
  4. Step 4: Simplify right side
    70,307.84x = 5,165,743,337.99
  5. Step 5: Solve for x
    x = 5,165,743,337.99/70,307.84
  6. Step 6: Final answer
    x = 73,473.22

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1.5x scale

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.