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Finding the Fourth Proportional to 370,130.26, 555,199.92 and 130,251.32

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Solution

The fourth proportional to 370,130.26, 555,199.92 and 130,251.32 is: 195,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,130.26 : 555,199.92 = 130,251.32 : x
  2. Step 2: Convert to fraction form
    370,130.26/555,199.92 = 130,251.32/x
  3. Step 3: Cross multiply
    370,130.26x = 555,199.92 × 130,251.32
  4. Step 4: Simplify right side
    370,130.26x = 72,315,522,443.89
  5. Step 5: Solve for x
    x = 72,315,522,443.89/370,130.26
  6. Step 6: Final answer
    x = 195,378.57

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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.