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Finding the Fourth Proportional to 104,037.40, 156,110.10 and 48,633.40

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Solution

The fourth proportional to 104,037.40, 156,110.10 and 48,633.40 is: 72,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,037.40 : 156,110.10 = 48,633.40 : x
  2. Step 2: Convert to fraction form
    104,037.40/156,110.10 = 48,633.40/x
  3. Step 3: Cross multiply
    104,037.40x = 156,110.10 × 48,633.40
  4. Step 4: Simplify right side
    104,037.40x = 7,592,164,937.34
  5. Step 5: Solve for x
    x = 7,592,164,937.34/104,037.40
  6. Step 6: Final answer
    x = 72,975.34

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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.