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Finding the Fourth Proportional to 200,803.34, 301,013.64 and 67,615.04

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Solution

The fourth proportional to 200,803.34, 301,013.64 and 67,615.04 is: 101,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,803.34 : 301,013.64 = 67,615.04 : x
  2. Step 2: Convert to fraction form
    200,803.34/301,013.64 = 67,615.04/x
  3. Step 3: Cross multiply
    200,803.34x = 301,013.64 × 67,615.04
  4. Step 4: Simplify right side
    200,803.34x = 20,353,047,804.08
  5. Step 5: Solve for x
    x = 20,353,047,804.08/200,803.34
  6. Step 6: Final answer
    x = 101,358.12

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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.