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Finding the Fourth Proportional to 355,536.93, 533,056.41 and 130,868.22

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Solution

The fourth proportional to 355,536.93, 533,056.41 and 130,868.22 is: 196,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,536.93 : 533,056.41 = 130,868.22 : x
  2. Step 2: Convert to fraction form
    355,536.93/533,056.41 = 130,868.22/x
  3. Step 3: Cross multiply
    355,536.93x = 533,056.41 × 130,868.22
  4. Step 4: Simplify right side
    355,536.93x = 69,760,143,536.29
  5. Step 5: Solve for x
    x = 69,760,143,536.29/355,536.93
  6. Step 6: Final answer
    x = 196,210.68

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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.