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Finding the Fourth Proportional to 228,464.82, 315,271.15 and 126,483.12

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Solution

The fourth proportional to 228,464.82, 315,271.15 and 126,483.12 is: 174,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,464.82 : 315,271.15 = 126,483.12 : x
  2. Step 2: Convert to fraction form
    228,464.82/315,271.15 = 126,483.12/x
  3. Step 3: Cross multiply
    228,464.82x = 315,271.15 × 126,483.12
  4. Step 4: Simplify right side
    228,464.82x = 39,876,478,697.99
  5. Step 5: Solve for x
    x = 39,876,478,697.99/228,464.82
  6. Step 6: Final answer
    x = 174,541.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.