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Finding the Fourth Proportional to 341,459.19, 512,068.53 and 113,692.96

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Solution

The fourth proportional to 341,459.19, 512,068.53 and 113,692.96 is: 170,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,459.19 : 512,068.53 = 113,692.96 : x
  2. Step 2: Convert to fraction form
    341,459.19/512,068.53 = 113,692.96/x
  3. Step 3: Cross multiply
    341,459.19x = 512,068.53 × 113,692.96
  4. Step 4: Simplify right side
    341,459.19x = 58,218,586,898.55
  5. Step 5: Solve for x
    x = 58,218,586,898.55/341,459.19
  6. Step 6: Final answer
    x = 170,499.40

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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.