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Finding the Fourth Proportional to 190,803.69, 286,225.13 and 50,562.31

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Solution

The fourth proportional to 190,803.69, 286,225.13 and 50,562.31 is: 75,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,803.69 : 286,225.13 = 50,562.31 : x
  2. Step 2: Convert to fraction form
    190,803.69/286,225.13 = 50,562.31/x
  3. Step 3: Cross multiply
    190,803.69x = 286,225.13 × 50,562.31
  4. Step 4: Simplify right side
    190,803.69x = 14,472,203,752.85
  5. Step 5: Solve for x
    x = 14,472,203,752.85/190,803.69
  6. Step 6: Final answer
    x = 75,848.66

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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.