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Finding the Fourth Proportional to 255,292.95, 352,290.43 and 140,549.16

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Solution

The fourth proportional to 255,292.95, 352,290.43 and 140,549.16 is: 193,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,292.95 : 352,290.43 = 140,549.16 : x
  2. Step 2: Convert to fraction form
    255,292.95/352,290.43 = 140,549.16/x
  3. Step 3: Cross multiply
    255,292.95x = 352,290.43 × 140,549.16
  4. Step 4: Simplify right side
    255,292.95x = 49,514,124,012.54
  5. Step 5: Solve for x
    x = 49,514,124,012.54/255,292.95
  6. Step 6: Final answer
    x = 193,950.22

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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.