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Finding the Fourth Proportional to 98,633.70, 136,097.01 and 58,349.16

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Solution

The fourth proportional to 98,633.70, 136,097.01 and 58,349.16 is: 80,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,633.70 : 136,097.01 = 58,349.16 : x
  2. Step 2: Convert to fraction form
    98,633.70/136,097.01 = 58,349.16/x
  3. Step 3: Cross multiply
    98,633.70x = 136,097.01 × 58,349.16
  4. Step 4: Simplify right side
    98,633.70x = 7,941,146,212.01
  5. Step 5: Solve for x
    x = 7,941,146,212.01/98,633.70
  6. Step 6: Final answer
    x = 80,511.49

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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.