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Finding the Fourth Proportional to 201,496.61, 302,179.62 and 66,530.36

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Solution

The fourth proportional to 201,496.61, 302,179.62 and 66,530.36 is: 99,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,496.61 : 302,179.62 = 66,530.36 : x
  2. Step 2: Convert to fraction form
    201,496.61/302,179.62 = 66,530.36/x
  3. Step 3: Cross multiply
    201,496.61x = 302,179.62 × 66,530.36
  4. Step 4: Simplify right side
    201,496.61x = 20,104,118,903.26
  5. Step 5: Solve for x
    x = 20,104,118,903.26/201,496.61
  6. Step 6: Final answer
    x = 99,773.98

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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.