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Finding the Fourth Proportional to 183,187.56, 252,955.46 and 137,787.08

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Solution

The fourth proportional to 183,187.56, 252,955.46 and 137,787.08 is: 190,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,187.56 : 252,955.46 = 137,787.08 : x
  2. Step 2: Convert to fraction form
    183,187.56/252,955.46 = 137,787.08/x
  3. Step 3: Cross multiply
    183,187.56x = 252,955.46 × 137,787.08
  4. Step 4: Simplify right side
    183,187.56x = 34,853,994,203.46
  5. Step 5: Solve for x
    x = 34,853,994,203.46/183,187.56
  6. Step 6: Final answer
    x = 190,263.98

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1.5x scale

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.