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Finding the Fourth Proportional to 255,360.06, 382,862.37 and 113,128.14

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Solution

The fourth proportional to 255,360.06, 382,862.37 and 113,128.14 is: 169,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,360.06 : 382,862.37 = 113,128.14 : x
  2. Step 2: Convert to fraction form
    255,360.06/382,862.37 = 113,128.14/x
  3. Step 3: Cross multiply
    255,360.06x = 382,862.37 × 113,128.14
  4. Step 4: Simplify right side
    255,360.06x = 43,312,507,794.09
  5. Step 5: Solve for x
    x = 43,312,507,794.09/255,360.06
  6. Step 6: Final answer
    x = 169,613.48

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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.