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Finding the Fourth Proportional to 255,841.41, 353,054.97 and 141,117.60

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Solution

The fourth proportional to 255,841.41, 353,054.97 and 141,117.60 is: 194,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,841.41 : 353,054.97 = 141,117.60 : x
  2. Step 2: Convert to fraction form
    255,841.41/353,054.97 = 141,117.60/x
  3. Step 3: Cross multiply
    255,841.41x = 353,054.97 × 141,117.60
  4. Step 4: Simplify right side
    255,841.41x = 49,822,270,034.47
  5. Step 5: Solve for x
    x = 49,822,270,034.47/255,841.41
  6. Step 6: Final answer
    x = 194,738.88

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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.