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Finding the Fourth Proportional to 160,660.16, 221,660.36 and 92,668.01

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Solution

The fourth proportional to 160,660.16, 221,660.36 and 92,668.01 is: 127,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.16 : 221,660.36 = 92,668.01 : x
  2. Step 2: Convert to fraction form
    160,660.16/221,660.36 = 92,668.01/x
  3. Step 3: Cross multiply
    160,660.16x = 221,660.36 × 92,668.01
  4. Step 4: Simplify right side
    160,660.16x = 20,540,824,547.89
  5. Step 5: Solve for x
    x = 20,540,824,547.89/160,660.16
  6. Step 6: Final answer
    x = 127,852.64

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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.