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Finding the Fourth Proportional to 210,094.16, 315,133.03 and 60,333.86

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Solution

The fourth proportional to 210,094.16, 315,133.03 and 60,333.86 is: 90,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,094.16 : 315,133.03 = 60,333.86 : x
  2. Step 2: Convert to fraction form
    210,094.16/315,133.03 = 60,333.86/x
  3. Step 3: Cross multiply
    210,094.16x = 315,133.03 × 60,333.86
  4. Step 4: Simplify right side
    210,094.16x = 19,013,192,976.65
  5. Step 5: Solve for x
    x = 19,013,192,976.65/210,094.16
  6. Step 6: Final answer
    x = 90,498.44

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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.