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Finding the Fourth Proportional to 160,636.78, 221,684.48 and 96,962.14

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Solution

The fourth proportional to 160,636.78, 221,684.48 and 96,962.14 is: 133,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,636.78 : 221,684.48 = 96,962.14 : x
  2. Step 2: Convert to fraction form
    160,636.78/221,684.48 = 96,962.14/x
  3. Step 3: Cross multiply
    160,636.78x = 221,684.48 × 96,962.14
  4. Step 4: Simplify right side
    160,636.78x = 21,495,001,585.59
  5. Step 5: Solve for x
    x = 21,495,001,585.59/160,636.78
  6. Step 6: Final answer
    x = 133,811.21

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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.