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Finding the Fourth Proportional to 104,666.51, 156,999.74 and 30,794.51

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Solution

The fourth proportional to 104,666.51, 156,999.74 and 30,794.51 is: 46,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,666.51 : 156,999.74 = 30,794.51 : x
  2. Step 2: Convert to fraction form
    104,666.51/156,999.74 = 30,794.51/x
  3. Step 3: Cross multiply
    104,666.51x = 156,999.74 × 30,794.51
  4. Step 4: Simplify right side
    104,666.51x = 4,834,729,124.46
  5. Step 5: Solve for x
    x = 4,834,729,124.46/104,666.51
  6. Step 6: Final answer
    x = 46,191.75

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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.