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Finding the Fourth Proportional to 171,393.36, 236,525.32 and 98,756.16

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Solution

The fourth proportional to 171,393.36, 236,525.32 and 98,756.16 is: 136,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,393.36 : 236,525.32 = 98,756.16 : x
  2. Step 2: Convert to fraction form
    171,393.36/236,525.32 = 98,756.16/x
  3. Step 3: Cross multiply
    171,393.36x = 236,525.32 × 98,756.16
  4. Step 4: Simplify right side
    171,393.36x = 23,358,332,345.97
  5. Step 5: Solve for x
    x = 23,358,332,345.97/171,393.36
  6. Step 6: Final answer
    x = 136,284.93

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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.