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Finding the Fourth Proportional to 201,703.15, 302,554.73 and 127,053.55

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Solution

The fourth proportional to 201,703.15, 302,554.73 and 127,053.55 is: 190,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,703.15 : 302,554.73 = 127,053.55 : x
  2. Step 2: Convert to fraction form
    201,703.15/302,554.73 = 127,053.55/x
  3. Step 3: Cross multiply
    201,703.15x = 302,554.73 × 127,053.55
  4. Step 4: Simplify right side
    201,703.15x = 38,440,652,515.79
  5. Step 5: Solve for x
    x = 38,440,652,515.79/201,703.15
  6. Step 6: Final answer
    x = 190,580.33

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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.