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Finding the Fourth Proportional to 245,416.65, 368,114.26 and 76,933.13

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Solution

The fourth proportional to 245,416.65, 368,114.26 and 76,933.13 is: 115,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,416.65 : 368,114.26 = 76,933.13 : x
  2. Step 2: Convert to fraction form
    245,416.65/368,114.26 = 76,933.13/x
  3. Step 3: Cross multiply
    245,416.65x = 368,114.26 × 76,933.13
  4. Step 4: Simplify right side
    245,416.65x = 28,320,182,219.43
  5. Step 5: Solve for x
    x = 28,320,182,219.43/245,416.65
  6. Step 6: Final answer
    x = 115,396.34

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1.5x scale

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.