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Finding the Fourth Proportional to 133,482.88, 200,322.96 and 107,501.20

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Solution

The fourth proportional to 133,482.88, 200,322.96 and 107,501.20 is: 161,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,482.88 : 200,322.96 = 107,501.20 : x
  2. Step 2: Convert to fraction form
    133,482.88/200,322.96 = 107,501.20/x
  3. Step 3: Cross multiply
    133,482.88x = 200,322.96 × 107,501.20
  4. Step 4: Simplify right side
    133,482.88x = 21,534,958,587.55
  5. Step 5: Solve for x
    x = 21,534,958,587.55/133,482.88
  6. Step 6: Final answer
    x = 161,331.24

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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.