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Finding the Fourth Proportional to 104,248.84, 156,369.34 and 30,374.92

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Solution

The fourth proportional to 104,248.84, 156,369.34 and 30,374.92 is: 45,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,248.84 : 156,369.34 = 30,374.92 : x
  2. Step 2: Convert to fraction form
    104,248.84/156,369.34 = 30,374.92/x
  3. Step 3: Cross multiply
    104,248.84x = 156,369.34 × 30,374.92
  4. Step 4: Simplify right side
    104,248.84x = 4,749,706,192.95
  5. Step 5: Solve for x
    x = 4,749,706,192.95/104,248.84
  6. Step 6: Final answer
    x = 45,561.24

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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.