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Finding the Fourth Proportional to 200,615.80, 301,004.70 and 88,317.40

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Solution

The fourth proportional to 200,615.80, 301,004.70 and 88,317.40 is: 132,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,615.80 : 301,004.70 = 88,317.40 : x
  2. Step 2: Convert to fraction form
    200,615.80/301,004.70 = 88,317.40/x
  3. Step 3: Cross multiply
    200,615.80x = 301,004.70 × 88,317.40
  4. Step 4: Simplify right side
    200,615.80x = 26,583,952,491.78
  5. Step 5: Solve for x
    x = 26,583,952,491.78/200,615.80
  6. Step 6: Final answer
    x = 132,511.76

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1.5x scale

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.