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Finding the Fourth Proportional to 70,160.67, 105,206.90 and 23,397.75

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Solution

The fourth proportional to 70,160.67, 105,206.90 and 23,397.75 is: 35,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.67 : 105,206.90 = 23,397.75 : x
  2. Step 2: Convert to fraction form
    70,160.67/105,206.90 = 23,397.75/x
  3. Step 3: Cross multiply
    70,160.67x = 105,206.90 × 23,397.75
  4. Step 4: Simplify right side
    70,160.67x = 2,461,604,627.49
  5. Step 5: Solve for x
    x = 2,461,604,627.49/70,160.67
  6. Step 6: Final answer
    x = 35,085.25

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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.