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Finding the Fourth Proportional to 255,648.02, 352,794.65 and 148,280.49

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Solution

The fourth proportional to 255,648.02, 352,794.65 and 148,280.49 is: 204,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,648.02 : 352,794.65 = 148,280.49 : x
  2. Step 2: Convert to fraction form
    255,648.02/352,794.65 = 148,280.49/x
  3. Step 3: Cross multiply
    255,648.02x = 352,794.65 × 148,280.49
  4. Step 4: Simplify right side
    255,648.02x = 52,312,562,829.98
  5. Step 5: Solve for x
    x = 52,312,562,829.98/255,648.02
  6. Step 6: Final answer
    x = 204,627.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.