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Finding the Fourth Proportional to 254,893.56, 382,386.51 and 105,050.45

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Solution

The fourth proportional to 254,893.56, 382,386.51 and 105,050.45 is: 157,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,893.56 : 382,386.51 = 105,050.45 : x
  2. Step 2: Convert to fraction form
    254,893.56/382,386.51 = 105,050.45/x
  3. Step 3: Cross multiply
    254,893.56x = 382,386.51 × 105,050.45
  4. Step 4: Simplify right side
    254,893.56x = 40,169,873,037.50
  5. Step 5: Solve for x
    x = 40,169,873,037.50/254,893.56
  6. Step 6: Final answer
    x = 157,594.70

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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.