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Finding the Fourth Proportional to 153,169.45, 229,754.15 and 46,554.28

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Solution

The fourth proportional to 153,169.45, 229,754.15 and 46,554.28 is: 69,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,169.45 : 229,754.15 = 46,554.28 : x
  2. Step 2: Convert to fraction form
    153,169.45/229,754.15 = 46,554.28/x
  3. Step 3: Cross multiply
    153,169.45x = 229,754.15 × 46,554.28
  4. Step 4: Simplify right side
    153,169.45x = 10,696,039,236.03
  5. Step 5: Solve for x
    x = 10,696,039,236.03/153,169.45
  6. Step 6: Final answer
    x = 69,831.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.