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Finding the Fourth Proportional to 370,820.64, 555,901.06 and 134,110.68

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Solution

The fourth proportional to 370,820.64, 555,901.06 and 134,110.68 is: 201,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,820.64 : 555,901.06 = 134,110.68 : x
  2. Step 2: Convert to fraction form
    370,820.64/555,901.06 = 134,110.68/x
  3. Step 3: Cross multiply
    370,820.64x = 555,901.06 × 134,110.68
  4. Step 4: Simplify right side
    370,820.64x = 74,552,269,169.32
  5. Step 5: Solve for x
    x = 74,552,269,169.32/370,820.64
  6. Step 6: Final answer
    x = 201,046.71

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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.