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Finding the Fourth Proportional to 218,497.84, 301,532.88 and 123,008.16

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Solution

The fourth proportional to 218,497.84, 301,532.88 and 123,008.16 is: 169,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,497.84 : 301,532.88 = 123,008.16 : x
  2. Step 2: Convert to fraction form
    218,497.84/301,532.88 = 123,008.16/x
  3. Step 3: Cross multiply
    218,497.84x = 301,532.88 × 123,008.16
  4. Step 4: Simplify right side
    218,497.84x = 37,091,004,748.30
  5. Step 5: Solve for x
    x = 37,091,004,748.30/218,497.84
  6. Step 6: Final answer
    x = 169,754.56

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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.