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Finding the Fourth Proportional to 114,762.40, 158,326.77 and 66,355.48

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Solution

The fourth proportional to 114,762.40, 158,326.77 and 66,355.48 is: 91,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,762.40 : 158,326.77 = 66,355.48 : x
  2. Step 2: Convert to fraction form
    114,762.40/158,326.77 = 66,355.48/x
  3. Step 3: Cross multiply
    114,762.40x = 158,326.77 × 66,355.48
  4. Step 4: Simplify right side
    114,762.40x = 10,505,848,424.38
  5. Step 5: Solve for x
    x = 10,505,848,424.38/114,762.40
  6. Step 6: Final answer
    x = 91,544.34

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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.