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Finding the Fourth Proportional to 255,178.52, 352,185.06 and 153,260.26

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Solution

The fourth proportional to 255,178.52, 352,185.06 and 153,260.26 is: 211,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,178.52 : 352,185.06 = 153,260.26 : x
  2. Step 2: Convert to fraction form
    255,178.52/352,185.06 = 153,260.26/x
  3. Step 3: Cross multiply
    255,178.52x = 352,185.06 × 153,260.26
  4. Step 4: Simplify right side
    255,178.52x = 53,975,973,863.72
  5. Step 5: Solve for x
    x = 53,975,973,863.72/255,178.52
  6. Step 6: Final answer
    x = 211,522.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.