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Finding the Fourth Proportional to 201,732.60, 302,598.90 and 134,081.40

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Solution

The fourth proportional to 201,732.60, 302,598.90 and 134,081.40 is: 201,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,732.60 : 302,598.90 = 134,081.40 : x
  2. Step 2: Convert to fraction form
    201,732.60/302,598.90 = 134,081.40/x
  3. Step 3: Cross multiply
    201,732.60x = 302,598.90 × 134,081.40
  4. Step 4: Simplify right side
    201,732.60x = 40,572,884,150.46
  5. Step 5: Solve for x
    x = 40,572,884,150.46/201,732.60
  6. Step 6: Final answer
    x = 201,122.10

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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.