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Finding the Fourth Proportional to 183,485.90, 275,228.85 and 83,840.72

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Solution

The fourth proportional to 183,485.90, 275,228.85 and 83,840.72 is: 125,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,485.90 : 275,228.85 = 83,840.72 : x
  2. Step 2: Convert to fraction form
    183,485.90/275,228.85 = 83,840.72/x
  3. Step 3: Cross multiply
    183,485.90x = 275,228.85 × 83,840.72
  4. Step 4: Simplify right side
    183,485.90x = 23,075,383,572.63
  5. Step 5: Solve for x
    x = 23,075,383,572.63/183,485.90
  6. Step 6: Final answer
    x = 125,761.07

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1.5x scale

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.