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Finding the Fourth Proportional to 116,563.26, 160,842.15 and 65,574.27

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Solution

The fourth proportional to 116,563.26, 160,842.15 and 65,574.27 is: 90,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,563.26 : 160,842.15 = 65,574.27 : x
  2. Step 2: Convert to fraction form
    116,563.26/160,842.15 = 65,574.27/x
  3. Step 3: Cross multiply
    116,563.26x = 160,842.15 × 65,574.27
  4. Step 4: Simplify right side
    116,563.26x = 10,547,106,571.48
  5. Step 5: Solve for x
    x = 10,547,106,571.48/116,563.26
  6. Step 6: Final answer
    x = 90,483.97

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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.