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Finding the Fourth Proportional to 116,284.54, 160,474.35 and 65,308.31

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Solution

The fourth proportional to 116,284.54, 160,474.35 and 65,308.31 is: 90,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,284.54 : 160,474.35 = 65,308.31 : x
  2. Step 2: Convert to fraction form
    116,284.54/160,474.35 = 65,308.31/x
  3. Step 3: Cross multiply
    116,284.54x = 160,474.35 × 65,308.31
  4. Step 4: Simplify right side
    116,284.54x = 10,480,307,467.94
  5. Step 5: Solve for x
    x = 10,480,307,467.94/116,284.54
  6. Step 6: Final answer
    x = 90,126.40

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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.