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Finding the Fourth Proportional to 100,576.60, 141,200.90 and 100,576.60

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Solution

The fourth proportional to 100,576.60, 141,200.90 and 100,576.60 is: 141,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,576.60 : 141,200.90 = 100,576.60 : x
  2. Step 2: Convert to fraction form
    100,576.60/141,200.90 = 100,576.60/x
  3. Step 3: Cross multiply
    100,576.60x = 141,200.90 × 100,576.60
  4. Step 4: Simplify right side
    100,576.60x = 14,201,506,438.94
  5. Step 5: Solve for x
    x = 14,201,506,438.94/100,576.60
  6. Step 6: Final answer
    x = 141,200.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.