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Finding the Fourth Proportional to 375,741.79, 563,492.39 and 122,953.75

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Solution

The fourth proportional to 375,741.79, 563,492.39 and 122,953.75 is: 184,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,741.79 : 563,492.39 = 122,953.75 : x
  2. Step 2: Convert to fraction form
    375,741.79/563,492.39 = 122,953.75/x
  3. Step 3: Cross multiply
    375,741.79x = 563,492.39 × 122,953.75
  4. Step 4: Simplify right side
    375,741.79x = 69,283,502,446.96
  5. Step 5: Solve for x
    x = 69,283,502,446.96/375,741.79
  6. Step 6: Final answer
    x = 184,391.26

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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.