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Finding the Fourth Proportional to 255,227.77, 382,841.78 and 105,303.28

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Solution

The fourth proportional to 255,227.77, 382,841.78 and 105,303.28 is: 157,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,227.77 : 382,841.78 = 105,303.28 : x
  2. Step 2: Convert to fraction form
    255,227.77/382,841.78 = 105,303.28/x
  3. Step 3: Cross multiply
    255,227.77x = 382,841.78 × 105,303.28
  4. Step 4: Simplify right side
    255,227.77x = 40,314,495,839.64
  5. Step 5: Solve for x
    x = 40,314,495,839.64/255,227.77
  6. Step 6: Final answer
    x = 157,954.97

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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.