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Finding the Fourth Proportional to 134,768.80, 201,885.90 and 118,147.60

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Solution

The fourth proportional to 134,768.80, 201,885.90 and 118,147.60 is: 176,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,768.80 : 201,885.90 = 118,147.60 : x
  2. Step 2: Convert to fraction form
    134,768.80/201,885.90 = 118,147.60/x
  3. Step 3: Cross multiply
    134,768.80x = 201,885.90 × 118,147.60
  4. Step 4: Simplify right side
    134,768.80x = 23,852,334,558.84
  5. Step 5: Solve for x
    x = 23,852,334,558.84/134,768.80
  6. Step 6: Final answer
    x = 176,987.07

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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.