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Finding the Fourth Proportional to 228,692.28, 343,038.42 and 104,068.92

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Solution

The fourth proportional to 228,692.28, 343,038.42 and 104,068.92 is: 156,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,692.28 : 343,038.42 = 104,068.92 : x
  2. Step 2: Convert to fraction form
    228,692.28/343,038.42 = 104,068.92/x
  3. Step 3: Cross multiply
    228,692.28x = 343,038.42 × 104,068.92
  4. Step 4: Simplify right side
    228,692.28x = 35,699,637,887.91
  5. Step 5: Solve for x
    x = 35,699,637,887.91/228,692.28
  6. Step 6: Final answer
    x = 156,103.38

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1.5x scale

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.