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Finding the Fourth Proportional to 70,055.43, 105,101.51 and 23,308.71

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Solution

The fourth proportional to 70,055.43, 105,101.51 and 23,308.71 is: 34,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.43 : 105,101.51 = 23,308.71 : x
  2. Step 2: Convert to fraction form
    70,055.43/105,101.51 = 23,308.71/x
  3. Step 3: Cross multiply
    70,055.43x = 105,101.51 × 23,308.71
  4. Step 4: Simplify right side
    70,055.43x = 2,449,780,500.61
  5. Step 5: Solve for x
    x = 2,449,780,500.61/70,055.43
  6. Step 6: Final answer
    x = 34,969.17

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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.