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Finding the Fourth Proportional to 188,842.51, 283,271.58 and 55,722.76

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Solution

The fourth proportional to 188,842.51, 283,271.58 and 55,722.76 is: 83,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,842.51 : 283,271.58 = 55,722.76 : x
  2. Step 2: Convert to fraction form
    188,842.51/283,271.58 = 55,722.76/x
  3. Step 3: Cross multiply
    188,842.51x = 283,271.58 × 55,722.76
  4. Step 4: Simplify right side
    188,842.51x = 15,784,673,988.55
  5. Step 5: Solve for x
    x = 15,784,673,988.55/188,842.51
  6. Step 6: Final answer
    x = 83,586.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.