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Finding the Fourth Proportional to 210,290.54, 315,600.59 and 146,697.01

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Solution

The fourth proportional to 210,290.54, 315,600.59 and 146,697.01 is: 220,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,290.54 : 315,600.59 = 146,697.01 : x
  2. Step 2: Convert to fraction form
    210,290.54/315,600.59 = 146,697.01/x
  3. Step 3: Cross multiply
    210,290.54x = 315,600.59 × 146,697.01
  4. Step 4: Simplify right side
    210,290.54x = 46,297,662,484.98
  5. Step 5: Solve for x
    x = 46,297,662,484.98/210,290.54
  6. Step 6: Final answer
    x = 220,160.47

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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.