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Finding the Fourth Proportional to 210,096.64, 315,144.80 and 62,352.64

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Solution

The fourth proportional to 210,096.64, 315,144.80 and 62,352.64 is: 93,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,096.64 : 315,144.80 = 62,352.64 : x
  2. Step 2: Convert to fraction form
    210,096.64/315,144.80 = 62,352.64/x
  3. Step 3: Cross multiply
    210,096.64x = 315,144.80 × 62,352.64
  4. Step 4: Simplify right side
    210,096.64x = 19,650,110,262.27
  5. Step 5: Solve for x
    x = 19,650,110,262.27/210,096.64
  6. Step 6: Final answer
    x = 93,528.91

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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.