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Finding the Fourth Proportional to 190,374.27, 285,487.60 and 101,579.34

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Solution

The fourth proportional to 190,374.27, 285,487.60 and 101,579.34 is: 152,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,374.27 : 285,487.60 = 101,579.34 : x
  2. Step 2: Convert to fraction form
    190,374.27/285,487.60 = 101,579.34/x
  3. Step 3: Cross multiply
    190,374.27x = 285,487.60 × 101,579.34
  4. Step 4: Simplify right side
    190,374.27x = 28,999,642,445.95
  5. Step 5: Solve for x
    x = 28,999,642,445.95/190,374.27
  6. Step 6: Final answer
    x = 152,329.63

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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.