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Finding the Fourth Proportional to 247,458.40, 371,187.60 and 123,042.40

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Solution

The fourth proportional to 247,458.40, 371,187.60 and 123,042.40 is: 184,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,458.40 : 371,187.60 = 123,042.40 : x
  2. Step 2: Convert to fraction form
    247,458.40/371,187.60 = 123,042.40/x
  3. Step 3: Cross multiply
    247,458.40x = 371,187.60 × 123,042.40
  4. Step 4: Simplify right side
    247,458.40x = 45,671,813,154.24
  5. Step 5: Solve for x
    x = 45,671,813,154.24/247,458.40
  6. Step 6: Final answer
    x = 184,563.60

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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.