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Finding the Fourth Proportional to 201,519.65, 302,268.51 and 61,267.34

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Solution

The fourth proportional to 201,519.65, 302,268.51 and 61,267.34 is: 91,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,519.65 : 302,268.51 = 61,267.34 : x
  2. Step 2: Convert to fraction form
    201,519.65/302,268.51 = 61,267.34/x
  3. Step 3: Cross multiply
    201,519.65x = 302,268.51 × 61,267.34
  4. Step 4: Simplify right side
    201,519.65x = 18,519,186,062.12
  5. Step 5: Solve for x
    x = 18,519,186,062.12/201,519.65
  6. Step 6: Final answer
    x = 91,897.67

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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.