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Finding the Fourth Proportional to 340,047.08, 510,099.18 and 103,391.81

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Solution

The fourth proportional to 340,047.08, 510,099.18 and 103,391.81 is: 155,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,047.08 : 510,099.18 = 103,391.81 : x
  2. Step 2: Convert to fraction form
    340,047.08/510,099.18 = 103,391.81/x
  3. Step 3: Cross multiply
    340,047.08x = 510,099.18 × 103,391.81
  4. Step 4: Simplify right side
    340,047.08x = 52,740,077,499.72
  5. Step 5: Solve for x
    x = 52,740,077,499.72/340,047.08
  6. Step 6: Final answer
    x = 155,096.40

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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.