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Finding the Fourth Proportional to 201,862.40, 302,429.10 and 117,553.55

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Solution

The fourth proportional to 201,862.40, 302,429.10 and 117,553.55 is: 176,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,862.40 : 302,429.10 = 117,553.55 : x
  2. Step 2: Convert to fraction form
    201,862.40/302,429.10 = 117,553.55/x
  3. Step 3: Cross multiply
    201,862.40x = 302,429.10 × 117,553.55
  4. Step 4: Simplify right side
    201,862.40x = 35,551,614,328.31
  5. Step 5: Solve for x
    x = 35,551,614,328.31/201,862.40
  6. Step 6: Final answer
    x = 176,118.06

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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.