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Finding the Fourth Proportional to 255,176.93, 352,138.93 and 159,736.25

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Solution

The fourth proportional to 255,176.93, 352,138.93 and 159,736.25 is: 220,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,176.93 : 352,138.93 = 159,736.25 : x
  2. Step 2: Convert to fraction form
    255,176.93/352,138.93 = 159,736.25/x
  3. Step 3: Cross multiply
    255,176.93x = 352,138.93 × 159,736.25
  4. Step 4: Simplify right side
    255,176.93x = 56,249,349,997.18
  5. Step 5: Solve for x
    x = 56,249,349,997.18/255,176.93
  6. Step 6: Final answer
    x = 220,432.74

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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.