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Finding the Fourth Proportional to 70,802.63, 106,203.95 and 29,250.71

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Solution

The fourth proportional to 70,802.63, 106,203.95 and 29,250.71 is: 43,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,802.63 : 106,203.95 = 29,250.71 : x
  2. Step 2: Convert to fraction form
    70,802.63/106,203.95 = 29,250.71/x
  3. Step 3: Cross multiply
    70,802.63x = 106,203.95 × 29,250.71
  4. Step 4: Simplify right side
    70,802.63x = 3,106,540,265.03
  5. Step 5: Solve for x
    x = 3,106,540,265.03/70,802.63
  6. Step 6: Final answer
    x = 43,876.06

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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.