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Finding the Fourth Proportional to 145,952.48, 218,927.42 and 46,112.68

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Solution

The fourth proportional to 145,952.48, 218,927.42 and 46,112.68 is: 69,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,952.48 : 218,927.42 = 46,112.68 : x
  2. Step 2: Convert to fraction form
    145,952.48/218,927.42 = 46,112.68/x
  3. Step 3: Cross multiply
    145,952.48x = 218,927.42 × 46,112.68
  4. Step 4: Simplify right side
    145,952.48x = 10,095,330,061.69
  5. Step 5: Solve for x
    x = 10,095,330,061.69/145,952.48
  6. Step 6: Final answer
    x = 69,168.61

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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.