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Finding the Fourth Proportional to 101,999.03, 140,700.03 and 63,692.07

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Solution

The fourth proportional to 101,999.03, 140,700.03 and 63,692.07 is: 87,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,999.03 : 140,700.03 = 63,692.07 : x
  2. Step 2: Convert to fraction form
    101,999.03/140,700.03 = 63,692.07/x
  3. Step 3: Cross multiply
    101,999.03x = 140,700.03 × 63,692.07
  4. Step 4: Simplify right side
    101,999.03x = 8,961,476,159.76
  5. Step 5: Solve for x
    x = 8,961,476,159.76/101,999.03
  6. Step 6: Final answer
    x = 87,858.45

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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.