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Finding the Fourth Proportional to 210,055.44, 289,878.84 and 114,561.84

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Solution

The fourth proportional to 210,055.44, 289,878.84 and 114,561.84 is: 158,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,055.44 : 289,878.84 = 114,561.84 : x
  2. Step 2: Convert to fraction form
    210,055.44/289,878.84 = 114,561.84/x
  3. Step 3: Cross multiply
    210,055.44x = 289,878.84 × 114,561.84
  4. Step 4: Simplify right side
    210,055.44x = 33,209,053,287.47
  5. Step 5: Solve for x
    x = 33,209,053,287.47/210,055.44
  6. Step 6: Final answer
    x = 158,096.61

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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.