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Finding the Fourth Proportional to 185,159.41, 255,273.02 and 139,023.79

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Solution

The fourth proportional to 185,159.41, 255,273.02 and 139,023.79 is: 191,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,159.41 : 255,273.02 = 139,023.79 : x
  2. Step 2: Convert to fraction form
    185,159.41/255,273.02 = 139,023.79/x
  3. Step 3: Cross multiply
    185,159.41x = 255,273.02 × 139,023.79
  4. Step 4: Simplify right side
    185,159.41x = 35,489,022,030.03
  5. Step 5: Solve for x
    x = 35,489,022,030.03/185,159.41
  6. Step 6: Final answer
    x = 191,667.40

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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.