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Finding the Fourth Proportional to 368,435.05, 552,652.51 and 102,195.57

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Solution

The fourth proportional to 368,435.05, 552,652.51 and 102,195.57 is: 153,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,435.05 : 552,652.51 = 102,195.57 : x
  2. Step 2: Convert to fraction form
    368,435.05/552,652.51 = 102,195.57/x
  3. Step 3: Cross multiply
    368,435.05x = 552,652.51 × 102,195.57
  4. Step 4: Simplify right side
    368,435.05x = 56,478,638,271.38
  5. Step 5: Solve for x
    x = 56,478,638,271.38/368,435.05
  6. Step 6: Final answer
    x = 153,293.34

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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.