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Finding the Fourth Proportional to 134,816.40, 202,127.40 and 75,670.20

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Solution

The fourth proportional to 134,816.40, 202,127.40 and 75,670.20 is: 113,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,816.40 : 202,127.40 = 75,670.20 : x
  2. Step 2: Convert to fraction form
    134,816.40/202,127.40 = 75,670.20/x
  3. Step 3: Cross multiply
    134,816.40x = 202,127.40 × 75,670.20
  4. Step 4: Simplify right side
    134,816.40x = 15,295,020,783.48
  5. Step 5: Solve for x
    x = 15,295,020,783.48/134,816.40
  6. Step 6: Final answer
    x = 113,450.74

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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.