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Finding the Fourth Proportional to 370,119.55, 555,199.60 and 117,381.75

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Solution

The fourth proportional to 370,119.55, 555,199.60 and 117,381.75 is: 176,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,119.55 : 555,199.60 = 117,381.75 : x
  2. Step 2: Convert to fraction form
    370,119.55/555,199.60 = 117,381.75/x
  3. Step 3: Cross multiply
    370,119.55x = 555,199.60 × 117,381.75
  4. Step 4: Simplify right side
    370,119.55x = 65,170,300,647.30
  5. Step 5: Solve for x
    x = 65,170,300,647.30/370,119.55
  6. Step 6: Final answer
    x = 176,079.06

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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.