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Finding the Fourth Proportional to 166,937.32, 230,332.32 and 98,970.22

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Solution

The fourth proportional to 166,937.32, 230,332.32 and 98,970.22 is: 136,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,937.32 : 230,332.32 = 98,970.22 : x
  2. Step 2: Convert to fraction form
    166,937.32/230,332.32 = 98,970.22/x
  3. Step 3: Cross multiply
    166,937.32x = 230,332.32 × 98,970.22
  4. Step 4: Simplify right side
    166,937.32x = 22,796,040,383.51
  5. Step 5: Solve for x
    x = 22,796,040,383.51/166,937.32
  6. Step 6: Final answer
    x = 136,554.49

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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.