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Finding the Fourth Proportional to 104,415.84, 156,590.91 and 34,278.84

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Solution

The fourth proportional to 104,415.84, 156,590.91 and 34,278.84 is: 51,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,415.84 : 156,590.91 = 34,278.84 : x
  2. Step 2: Convert to fraction form
    104,415.84/156,590.91 = 34,278.84/x
  3. Step 3: Cross multiply
    104,415.84x = 156,590.91 × 34,278.84
  4. Step 4: Simplify right side
    104,415.84x = 5,367,754,749.34
  5. Step 5: Solve for x
    x = 5,367,754,749.34/104,415.84
  6. Step 6: Final answer
    x = 51,407.48

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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.