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Finding the Fourth Proportional to 123,068.70, 184,480.38 and 52,009.26

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Solution

The fourth proportional to 123,068.70, 184,480.38 and 52,009.26 is: 77,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,068.70 : 184,480.38 = 52,009.26 : x
  2. Step 2: Convert to fraction form
    123,068.70/184,480.38 = 52,009.26/x
  3. Step 3: Cross multiply
    123,068.70x = 184,480.38 × 52,009.26
  4. Step 4: Simplify right side
    123,068.70x = 9,594,688,048.32
  5. Step 5: Solve for x
    x = 9,594,688,048.32/123,068.70
  6. Step 6: Final answer
    x = 77,962.05

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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.