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Finding the Fourth Proportional to 70,204.61, 105,306.93 and 23,457.49

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Solution

The fourth proportional to 70,204.61, 105,306.93 and 23,457.49 is: 35,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,204.61 : 105,306.93 = 23,457.49 : x
  2. Step 2: Convert to fraction form
    70,204.61/105,306.93 = 23,457.49/x
  3. Step 3: Cross multiply
    70,204.61x = 105,306.93 × 23,457.49
  4. Step 4: Simplify right side
    70,204.61x = 2,470,236,257.41
  5. Step 5: Solve for x
    x = 2,470,236,257.41/70,204.61
  6. Step 6: Final answer
    x = 35,186.24

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1.5x scale

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.