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Finding the Fourth Proportional to 201,811.03, 302,568.30 and 96,703.81

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Solution

The fourth proportional to 201,811.03, 302,568.30 and 96,703.81 is: 144,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,811.03 : 302,568.30 = 96,703.81 : x
  2. Step 2: Convert to fraction form
    201,811.03/302,568.30 = 96,703.81/x
  3. Step 3: Cross multiply
    201,811.03x = 302,568.30 × 96,703.81
  4. Step 4: Simplify right side
    201,811.03x = 29,259,506,638.80
  5. Step 5: Solve for x
    x = 29,259,506,638.80/201,811.03
  6. Step 6: Final answer
    x = 144,984.68

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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.