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Finding the Fourth Proportional to 357,975.68, 536,963.31 and 105,258.26

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Solution

The fourth proportional to 357,975.68, 536,963.31 and 105,258.26 is: 157,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,975.68 : 536,963.31 = 105,258.26 : x
  2. Step 2: Convert to fraction form
    357,975.68/536,963.31 = 105,258.26/x
  3. Step 3: Cross multiply
    357,975.68x = 536,963.31 × 105,258.26
  4. Step 4: Simplify right side
    357,975.68x = 56,519,821,825.74
  5. Step 5: Solve for x
    x = 56,519,821,825.74/357,975.68
  6. Step 6: Final answer
    x = 157,887.33

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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.