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Finding the Fourth Proportional to 142,415.60, 213,604.86 and 37,242.68

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Solution

The fourth proportional to 142,415.60, 213,604.86 and 37,242.68 is: 55,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,415.60 : 213,604.86 = 37,242.68 : x
  2. Step 2: Convert to fraction form
    142,415.60/213,604.86 = 37,242.68/x
  3. Step 3: Cross multiply
    142,415.60x = 213,604.86 × 37,242.68
  4. Step 4: Simplify right side
    142,415.60x = 7,955,217,447.42
  5. Step 5: Solve for x
    x = 7,955,217,447.42/142,415.60
  6. Step 6: Final answer
    x = 55,859.17

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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.