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Finding the Fourth Proportional to 98,051.81, 135,300.33 and 55,022.40

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Solution

The fourth proportional to 98,051.81, 135,300.33 and 55,022.40 is: 75,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,051.81 : 135,300.33 = 55,022.40 : x
  2. Step 2: Convert to fraction form
    98,051.81/135,300.33 = 55,022.40/x
  3. Step 3: Cross multiply
    98,051.81x = 135,300.33 × 55,022.40
  4. Step 4: Simplify right side
    98,051.81x = 7,444,548,877.39
  5. Step 5: Solve for x
    x = 7,444,548,877.39/98,051.81
  6. Step 6: Final answer
    x = 75,924.65

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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.