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Finding the Fourth Proportional to 250,378.96, 375,315.72 and 156,950.32

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Solution

The fourth proportional to 250,378.96, 375,315.72 and 156,950.32 is: 235,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,378.96 : 375,315.72 = 156,950.32 : x
  2. Step 2: Convert to fraction form
    250,378.96/375,315.72 = 156,950.32/x
  3. Step 3: Cross multiply
    250,378.96x = 375,315.72 × 156,950.32
  4. Step 4: Simplify right side
    250,378.96x = 58,905,922,355.03
  5. Step 5: Solve for x
    x = 58,905,922,355.03/250,378.96
  6. Step 6: Final answer
    x = 235,267.06

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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.