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Finding the Fourth Proportional to 375,482.22, 563,105.43 and 122,705.07

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Solution

The fourth proportional to 375,482.22, 563,105.43 and 122,705.07 is: 184,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,482.22 : 563,105.43 = 122,705.07 : x
  2. Step 2: Convert to fraction form
    375,482.22/563,105.43 = 122,705.07/x
  3. Step 3: Cross multiply
    375,482.22x = 563,105.43 × 122,705.07
  4. Step 4: Simplify right side
    375,482.22x = 69,095,891,205.53
  5. Step 5: Solve for x
    x = 69,095,891,205.53/375,482.22
  6. Step 6: Final answer
    x = 184,019.08

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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.