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Finding the Fourth Proportional to 201,482.80, 302,137.80 and 101,604.40

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Solution

The fourth proportional to 201,482.80, 302,137.80 and 101,604.40 is: 152,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,482.80 : 302,137.80 = 101,604.40 : x
  2. Step 2: Convert to fraction form
    201,482.80/302,137.80 = 101,604.40/x
  3. Step 3: Cross multiply
    201,482.80x = 302,137.80 × 101,604.40
  4. Step 4: Simplify right side
    201,482.80x = 30,698,529,886.32
  5. Step 5: Solve for x
    x = 30,698,529,886.32/201,482.80
  6. Step 6: Final answer
    x = 152,363.03

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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.