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Finding the Fourth Proportional to 201,888.40, 302,492.40 and 159,606.40

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Solution

The fourth proportional to 201,888.40, 302,492.40 and 159,606.40 is: 239,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,888.40 : 302,492.40 = 159,606.40 : x
  2. Step 2: Convert to fraction form
    201,888.40/302,492.40 = 159,606.40/x
  3. Step 3: Cross multiply
    201,888.40x = 302,492.40 × 159,606.40
  4. Step 4: Simplify right side
    201,888.40x = 48,279,722,991.36
  5. Step 5: Solve for x
    x = 48,279,722,991.36/201,888.40
  6. Step 6: Final answer
    x = 239,140.65

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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.