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Finding the Fourth Proportional to 134,863.60, 201,834.60 and 118,274.80

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Solution

The fourth proportional to 134,863.60, 201,834.60 and 118,274.80 is: 177,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,863.60 : 201,834.60 = 118,274.80 : x
  2. Step 2: Convert to fraction form
    134,863.60/201,834.60 = 118,274.80/x
  3. Step 3: Cross multiply
    134,863.60x = 201,834.60 × 118,274.80
  4. Step 4: Simplify right side
    134,863.60x = 23,871,946,948.08
  5. Step 5: Solve for x
    x = 23,871,946,948.08/134,863.60
  6. Step 6: Final answer
    x = 177,008.08

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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.