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Finding the Fourth Proportional to 114,697.20, 158,282.13 and 64,396.20

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Solution

The fourth proportional to 114,697.20, 158,282.13 and 64,396.20 is: 88,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,697.20 : 158,282.13 = 64,396.20 : x
  2. Step 2: Convert to fraction form
    114,697.20/158,282.13 = 64,396.20/x
  3. Step 3: Cross multiply
    114,697.20x = 158,282.13 × 64,396.20
  4. Step 4: Simplify right side
    114,697.20x = 10,192,767,699.91
  5. Step 5: Solve for x
    x = 10,192,767,699.91/114,697.20
  6. Step 6: Final answer
    x = 88,866.75

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1.5x scale

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.