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Finding the Fourth Proportional to 190,658.65, 285,989.67 and 48,504.10

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Solution

The fourth proportional to 190,658.65, 285,989.67 and 48,504.10 is: 72,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,658.65 : 285,989.67 = 48,504.10 : x
  2. Step 2: Convert to fraction form
    190,658.65/285,989.67 = 48,504.10/x
  3. Step 3: Cross multiply
    190,658.65x = 285,989.67 × 48,504.10
  4. Step 4: Simplify right side
    190,658.65x = 13,871,671,552.65
  5. Step 5: Solve for x
    x = 13,871,671,552.65/190,658.65
  6. Step 6: Final answer
    x = 72,756.58

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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.