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Finding the Fourth Proportional to 201,598.56, 302,442.93 and 61,368.12

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Solution

The fourth proportional to 201,598.56, 302,442.93 and 61,368.12 is: 92,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,598.56 : 302,442.93 = 61,368.12 : x
  2. Step 2: Convert to fraction form
    201,598.56/302,442.93 = 61,368.12/x
  3. Step 3: Cross multiply
    201,598.56x = 302,442.93 × 61,368.12
  4. Step 4: Simplify right side
    201,598.56x = 18,560,354,021.39
  5. Step 5: Solve for x
    x = 18,560,354,021.39/201,598.56
  6. Step 6: Final answer
    x = 92,065.91

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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.