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Finding the Fourth Proportional to 171,208.40, 256,812.60 and 152,837.60

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Solution

The fourth proportional to 171,208.40, 256,812.60 and 152,837.60 is: 229,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,208.40 : 256,812.60 = 152,837.60 : x
  2. Step 2: Convert to fraction form
    171,208.40/256,812.60 = 152,837.60/x
  3. Step 3: Cross multiply
    171,208.40x = 256,812.60 × 152,837.60
  4. Step 4: Simplify right side
    171,208.40x = 39,250,621,433.76
  5. Step 5: Solve for x
    x = 39,250,621,433.76/171,208.40
  6. Step 6: Final answer
    x = 229,256.40

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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.