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Finding the Fourth Proportional to 243,826.90, 365,027.55 and 173,842.90

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Solution

The fourth proportional to 243,826.90, 365,027.55 and 173,842.90 is: 260,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,826.90 : 365,027.55 = 173,842.90 : x
  2. Step 2: Convert to fraction form
    243,826.90/365,027.55 = 173,842.90/x
  3. Step 3: Cross multiply
    243,826.90x = 365,027.55 × 173,842.90
  4. Step 4: Simplify right side
    243,826.90x = 63,457,447,871.90
  5. Step 5: Solve for x
    x = 63,457,447,871.90/243,826.90
  6. Step 6: Final answer
    x = 260,256.14

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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.