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Finding the Fourth Proportional to 255,290.96, 352,348.76 and 147,860.96

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Solution

The fourth proportional to 255,290.96, 352,348.76 and 147,860.96 is: 204,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,290.96 : 352,348.76 = 147,860.96 : x
  2. Step 2: Convert to fraction form
    255,290.96/352,348.76 = 147,860.96/x
  3. Step 3: Cross multiply
    255,290.96x = 352,348.76 × 147,860.96
  4. Step 4: Simplify right side
    255,290.96x = 52,098,623,407.36
  5. Step 5: Solve for x
    x = 52,098,623,407.36/255,290.96
  6. Step 6: Final answer
    x = 204,075.48

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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.