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Finding the Fourth Proportional to 107,130.40, 147,841.44 and 58,736.88

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Solution

The fourth proportional to 107,130.40, 147,841.44 and 58,736.88 is: 81,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.40 : 147,841.44 = 58,736.88 : x
  2. Step 2: Convert to fraction form
    107,130.40/147,841.44 = 58,736.88/x
  3. Step 3: Cross multiply
    107,130.40x = 147,841.44 × 58,736.88
  4. Step 4: Simplify right side
    107,130.40x = 8,683,744,920.31
  5. Step 5: Solve for x
    x = 8,683,744,920.31/107,130.40
  6. Step 6: Final answer
    x = 81,057.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.