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Finding the Fourth Proportional to 134,627.70, 201,977.90 and 41,130.90

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Solution

The fourth proportional to 134,627.70, 201,977.90 and 41,130.90 is: 61,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,627.70 : 201,977.90 = 41,130.90 : x
  2. Step 2: Convert to fraction form
    134,627.70/201,977.90 = 41,130.90/x
  3. Step 3: Cross multiply
    134,627.70x = 201,977.90 × 41,130.90
  4. Step 4: Simplify right side
    134,627.70x = 8,307,531,900.05
  5. Step 5: Solve for x
    x = 8,307,531,900.05/134,627.70
  6. Step 6: Final answer
    x = 61,707.45

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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.