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Finding the Fourth Proportional to 255,078.76, 352,008.42 and 141,899.08

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Solution

The fourth proportional to 255,078.76, 352,008.42 and 141,899.08 is: 195,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,078.76 : 352,008.42 = 141,899.08 : x
  2. Step 2: Convert to fraction form
    255,078.76/352,008.42 = 141,899.08/x
  3. Step 3: Cross multiply
    255,078.76x = 352,008.42 × 141,899.08
  4. Step 4: Simplify right side
    255,078.76x = 49,949,670,950.25
  5. Step 5: Solve for x
    x = 49,949,670,950.25/255,078.76
  6. Step 6: Final answer
    x = 195,820.58

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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.