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Finding the Fourth Proportional to 70,084.69, 105,064.51 and 25,701.07

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Solution

The fourth proportional to 70,084.69, 105,064.51 and 25,701.07 is: 38,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,084.69 : 105,064.51 = 25,701.07 : x
  2. Step 2: Convert to fraction form
    70,084.69/105,064.51 = 25,701.07/x
  3. Step 3: Cross multiply
    70,084.69x = 105,064.51 × 25,701.07
  4. Step 4: Simplify right side
    70,084.69x = 2,700,270,326.03
  5. Step 5: Solve for x
    x = 2,700,270,326.03/70,084.69
  6. Step 6: Final answer
    x = 38,528.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.