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Finding the Fourth Proportional to 113,896.16, 157,182.83 and 65,497.51

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Solution

The fourth proportional to 113,896.16, 157,182.83 and 65,497.51 is: 90,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,896.16 : 157,182.83 = 65,497.51 : x
  2. Step 2: Convert to fraction form
    113,896.16/157,182.83 = 65,497.51/x
  3. Step 3: Cross multiply
    113,896.16x = 157,182.83 × 65,497.51
  4. Step 4: Simplify right side
    113,896.16x = 10,295,084,094.36
  5. Step 5: Solve for x
    x = 10,295,084,094.36/113,896.16
  6. Step 6: Final answer
    x = 90,390.09

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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.