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Finding the Fourth Proportional to 104,614.55, 156,988.56 and 38,048.30

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Solution

The fourth proportional to 104,614.55, 156,988.56 and 38,048.30 is: 57,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,614.55 : 156,988.56 = 38,048.30 : x
  2. Step 2: Convert to fraction form
    104,614.55/156,988.56 = 38,048.30/x
  3. Step 3: Cross multiply
    104,614.55x = 156,988.56 × 38,048.30
  4. Step 4: Simplify right side
    104,614.55x = 5,973,147,827.45
  5. Step 5: Solve for x
    x = 5,973,147,827.45/104,614.55
  6. Step 6: Final answer
    x = 57,096.72

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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.