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Finding the Fourth Proportional to 201,684.10, 302,526.15 and 83,586.10

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Solution

The fourth proportional to 201,684.10, 302,526.15 and 83,586.10 is: 125,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,684.10 : 302,526.15 = 83,586.10 : x
  2. Step 2: Convert to fraction form
    201,684.10/302,526.15 = 83,586.10/x
  3. Step 3: Cross multiply
    201,684.10x = 302,526.15 × 83,586.10
  4. Step 4: Simplify right side
    201,684.10x = 25,286,981,026.52
  5. Step 5: Solve for x
    x = 25,286,981,026.52/201,684.10
  6. Step 6: Final answer
    x = 125,379.15

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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.