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Finding the Fourth Proportional to 116,351.52, 160,547.60 and 65,354.48

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Solution

The fourth proportional to 116,351.52, 160,547.60 and 65,354.48 is: 90,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,351.52 : 160,547.60 = 65,354.48 : x
  2. Step 2: Convert to fraction form
    116,351.52/160,547.60 = 65,354.48/x
  3. Step 3: Cross multiply
    116,351.52x = 160,547.60 × 65,354.48
  4. Step 4: Simplify right side
    116,351.52x = 10,492,504,913.25
  5. Step 5: Solve for x
    x = 10,492,504,913.25/116,351.52
  6. Step 6: Final answer
    x = 90,179.35

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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.