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Finding the Fourth Proportional to 191,593, 287,643.84 and 163,692.28

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Solution

The fourth proportional to 191,593, 287,643.84 and 163,692.28 is: 245,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,593 : 287,643.84 = 163,692.28 : x
  2. Step 2: Convert to fraction form
    191,593/287,643.84 = 163,692.28/x
  3. Step 3: Cross multiply
    191,593x = 287,643.84 × 163,692.28
  4. Step 4: Simplify right side
    191,593x = 47,085,075,997.56
  5. Step 5: Solve for x
    x = 47,085,075,997.56/191,593
  6. Step 6: Final answer
    x = 245,755.72

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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.