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Finding the Fourth Proportional to 350,720.28, 526,167.90 and 101,402.28

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Solution

The fourth proportional to 350,720.28, 526,167.90 and 101,402.28 is: 152,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,720.28 : 526,167.90 = 101,402.28 : x
  2. Step 2: Convert to fraction form
    350,720.28/526,167.90 = 101,402.28/x
  3. Step 3: Cross multiply
    350,720.28x = 526,167.90 × 101,402.28
  4. Step 4: Simplify right side
    350,720.28x = 53,354,624,722.81
  5. Step 5: Solve for x
    x = 53,354,624,722.81/350,720.28
  6. Step 6: Final answer
    x = 152,128.71

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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.