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Finding the Fourth Proportional to 255,667.72, 352,823.78 and 140,950.52

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Solution

The fourth proportional to 255,667.72, 352,823.78 and 140,950.52 is: 194,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,667.72 : 352,823.78 = 140,950.52 : x
  2. Step 2: Convert to fraction form
    255,667.72/352,823.78 = 140,950.52/x
  3. Step 3: Cross multiply
    255,667.72x = 352,823.78 × 140,950.52
  4. Step 4: Simplify right side
    255,667.72x = 49,730,695,259.37
  5. Step 5: Solve for x
    x = 49,730,695,259.37/255,667.72
  6. Step 6: Final answer
    x = 194,513.00

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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.