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Finding the Fourth Proportional to 201,718.08, 302,622.06 and 61,487.64

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Solution

The fourth proportional to 201,718.08, 302,622.06 and 61,487.64 is: 92,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,718.08 : 302,622.06 = 61,487.64 : x
  2. Step 2: Convert to fraction form
    201,718.08/302,622.06 = 61,487.64/x
  3. Step 3: Cross multiply
    201,718.08x = 302,622.06 × 61,487.64
  4. Step 4: Simplify right side
    201,718.08x = 18,607,516,281.34
  5. Step 5: Solve for x
    x = 18,607,516,281.34/201,718.08
  6. Step 6: Final answer
    x = 92,245.16

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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.