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Finding the Fourth Proportional to 158,504.81, 218,759.02 and 98,094.91

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Solution

The fourth proportional to 158,504.81, 218,759.02 and 98,094.91 is: 135,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,504.81 : 218,759.02 = 98,094.91 : x
  2. Step 2: Convert to fraction form
    158,504.81/218,759.02 = 98,094.91/x
  3. Step 3: Cross multiply
    158,504.81x = 218,759.02 × 98,094.91
  4. Step 4: Simplify right side
    158,504.81x = 21,459,146,378.59
  5. Step 5: Solve for x
    x = 21,459,146,378.59/158,504.81
  6. Step 6: Final answer
    x = 135,384.83

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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.