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Finding the Fourth Proportional to 255,606.26, 352,762.89 and 153,664.73

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Solution

The fourth proportional to 255,606.26, 352,762.89 and 153,664.73 is: 212,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,606.26 : 352,762.89 = 153,664.73 : x
  2. Step 2: Convert to fraction form
    255,606.26/352,762.89 = 153,664.73/x
  3. Step 3: Cross multiply
    255,606.26x = 352,762.89 × 153,664.73
  4. Step 4: Simplify right side
    255,606.26x = 54,207,212,482.06
  5. Step 5: Solve for x
    x = 54,207,212,482.06/255,606.26
  6. Step 6: Final answer
    x = 212,073.10

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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.