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Finding the Fourth Proportional to 152,651.80, 210,763.74 and 95,378.32

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Solution

The fourth proportional to 152,651.80, 210,763.74 and 95,378.32 is: 131,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,651.80 : 210,763.74 = 95,378.32 : x
  2. Step 2: Convert to fraction form
    152,651.80/210,763.74 = 95,378.32/x
  3. Step 3: Cross multiply
    152,651.80x = 210,763.74 × 95,378.32
  4. Step 4: Simplify right side
    152,651.80x = 20,102,291,438.12
  5. Step 5: Solve for x
    x = 20,102,291,438.12/152,651.80
  6. Step 6: Final answer
    x = 131,687.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.