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Finding the Fourth Proportional to 201,703.35, 302,555.03 and 91,111.35

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Solution

The fourth proportional to 201,703.35, 302,555.03 and 91,111.35 is: 136,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,703.35 : 302,555.03 = 91,111.35 : x
  2. Step 2: Convert to fraction form
    201,703.35/302,555.03 = 91,111.35/x
  3. Step 3: Cross multiply
    201,703.35x = 302,555.03 × 91,111.35
  4. Step 4: Simplify right side
    201,703.35x = 27,566,196,777.03
  5. Step 5: Solve for x
    x = 27,566,196,777.03/201,703.35
  6. Step 6: Final answer
    x = 136,667.03

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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.