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Finding the Fourth Proportional to 134,100.60, 201,150.90 and 71,892.60

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Solution

The fourth proportional to 134,100.60, 201,150.90 and 71,892.60 is: 107,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,100.60 : 201,150.90 = 71,892.60 : x
  2. Step 2: Convert to fraction form
    134,100.60/201,150.90 = 71,892.60/x
  3. Step 3: Cross multiply
    134,100.60x = 201,150.90 × 71,892.60
  4. Step 4: Simplify right side
    134,100.60x = 14,461,261,193.34
  5. Step 5: Solve for x
    x = 14,461,261,193.34/134,100.60
  6. Step 6: Final answer
    x = 107,838.90

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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.