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Finding the Fourth Proportional to 343,174.02, 514,842.72 and 118,536.30

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Solution

The fourth proportional to 343,174.02, 514,842.72 and 118,536.30 is: 177,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,174.02 : 514,842.72 = 118,536.30 : x
  2. Step 2: Convert to fraction form
    343,174.02/514,842.72 = 118,536.30/x
  3. Step 3: Cross multiply
    343,174.02x = 514,842.72 × 118,536.30
  4. Step 4: Simplify right side
    343,174.02x = 61,027,551,110.74
  5. Step 5: Solve for x
    x = 61,027,551,110.74/343,174.02
  6. Step 6: Final answer
    x = 177,832.67

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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.