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Finding the Fourth Proportional to 201,657.10, 302,485.65 and 170,164.30

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Solution

The fourth proportional to 201,657.10, 302,485.65 and 170,164.30 is: 255,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,657.10 : 302,485.65 = 170,164.30 : x
  2. Step 2: Convert to fraction form
    201,657.10/302,485.65 = 170,164.30/x
  3. Step 3: Cross multiply
    201,657.10x = 302,485.65 × 170,164.30
  4. Step 4: Simplify right side
    201,657.10x = 51,472,258,892.30
  5. Step 5: Solve for x
    x = 51,472,258,892.30/201,657.10
  6. Step 6: Final answer
    x = 255,246.45

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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.