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Finding the Fourth Proportional to 201,843.90, 302,692.95 and 101,970.90

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Solution

The fourth proportional to 201,843.90, 302,692.95 and 101,970.90 is: 152,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,843.90 : 302,692.95 = 101,970.90 : x
  2. Step 2: Convert to fraction form
    201,843.90/302,692.95 = 101,970.90/x
  3. Step 3: Cross multiply
    201,843.90x = 302,692.95 × 101,970.90
  4. Step 4: Simplify right side
    201,843.90x = 30,865,872,535.16
  5. Step 5: Solve for x
    x = 30,865,872,535.16/201,843.90
  6. Step 6: Final answer
    x = 152,919.52

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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.