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Finding the Fourth Proportional to 370,518.80, 555,773.34 and 90,035.24

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Solution

The fourth proportional to 370,518.80, 555,773.34 and 90,035.24 is: 135,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,518.80 : 555,773.34 = 90,035.24 : x
  2. Step 2: Convert to fraction form
    370,518.80/555,773.34 = 90,035.24/x
  3. Step 3: Cross multiply
    370,518.80x = 555,773.34 × 90,035.24
  4. Step 4: Simplify right side
    370,518.80x = 50,039,186,052.50
  5. Step 5: Solve for x
    x = 50,039,186,052.50/370,518.80
  6. Step 6: Final answer
    x = 135,051.68

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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.