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Finding the Fourth Proportional to 370,871.60, 556,061.60 and 134,183.48

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Solution

The fourth proportional to 370,871.60, 556,061.60 and 134,183.48 is: 201,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,871.60 : 556,061.60 = 134,183.48 : x
  2. Step 2: Convert to fraction form
    370,871.60/556,061.60 = 134,183.48/x
  3. Step 3: Cross multiply
    370,871.60x = 556,061.60 × 134,183.48
  4. Step 4: Simplify right side
    370,871.60x = 74,614,280,582.37
  5. Step 5: Solve for x
    x = 74,614,280,582.37/370,871.60
  6. Step 6: Final answer
    x = 201,186.29

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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.