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Finding the Fourth Proportional to 201,730.60, 302,639.10 and 61,503.40

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Solution

The fourth proportional to 201,730.60, 302,639.10 and 61,503.40 is: 92,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,730.60 : 302,639.10 = 61,503.40 : x
  2. Step 2: Convert to fraction form
    201,730.60/302,639.10 = 61,503.40/x
  3. Step 3: Cross multiply
    201,730.60x = 302,639.10 × 61,503.40
  4. Step 4: Simplify right side
    201,730.60x = 18,613,333,622.94
  5. Step 5: Solve for x
    x = 18,613,333,622.94/201,730.60
  6. Step 6: Final answer
    x = 92,268.27

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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.