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Finding the Fourth Proportional to 211,692.12, 292,125.15 and 114,893.78

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Solution

The fourth proportional to 211,692.12, 292,125.15 and 114,893.78 is: 158,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,692.12 : 292,125.15 = 114,893.78 : x
  2. Step 2: Convert to fraction form
    211,692.12/292,125.15 = 114,893.78/x
  3. Step 3: Cross multiply
    211,692.12x = 292,125.15 × 114,893.78
  4. Step 4: Simplify right side
    211,692.12x = 33,563,362,716.57
  5. Step 5: Solve for x
    x = 33,563,362,716.57/211,692.12
  6. Step 6: Final answer
    x = 158,548.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.