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Finding the Fourth Proportional to 116,558.51, 160,850.50 and 65,571.26

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Solution

The fourth proportional to 116,558.51, 160,850.50 and 65,571.26 is: 90,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,558.51 : 160,850.50 = 65,571.26 : x
  2. Step 2: Convert to fraction form
    116,558.51/160,850.50 = 65,571.26/x
  3. Step 3: Cross multiply
    116,558.51x = 160,850.50 × 65,571.26
  4. Step 4: Simplify right side
    116,558.51x = 10,547,168,988.45
  5. Step 5: Solve for x
    x = 10,547,168,988.45/116,558.51
  6. Step 6: Final answer
    x = 90,488.20

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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.