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Finding the Fourth Proportional to 190,295.16, 285,373.84 and 63,897.60

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Solution

The fourth proportional to 190,295.16, 285,373.84 and 63,897.60 is: 95,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,295.16 : 285,373.84 = 63,897.60 : x
  2. Step 2: Convert to fraction form
    190,295.16/285,373.84 = 63,897.60/x
  3. Step 3: Cross multiply
    190,295.16x = 285,373.84 × 63,897.60
  4. Step 4: Simplify right side
    190,295.16x = 18,234,703,478.78
  5. Step 5: Solve for x
    x = 18,234,703,478.78/190,295.16
  6. Step 6: Final answer
    x = 95,823.26

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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.