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Finding the Fourth Proportional to 152,171.56, 210,053.22 and 114,554.92

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Solution

The fourth proportional to 152,171.56, 210,053.22 and 114,554.92 is: 158,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,171.56 : 210,053.22 = 114,554.92 : x
  2. Step 2: Convert to fraction form
    152,171.56/210,053.22 = 114,554.92/x
  3. Step 3: Cross multiply
    152,171.56x = 210,053.22 × 114,554.92
  4. Step 4: Simplify right side
    152,171.56x = 24,062,629,812.84
  5. Step 5: Solve for x
    x = 24,062,629,812.84/152,171.56
  6. Step 6: Final answer
    x = 158,128.30

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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.