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Finding the Fourth Proportional to 146,666.64, 202,400.16 and 79,598.64

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Solution

The fourth proportional to 146,666.64, 202,400.16 and 79,598.64 is: 109,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,666.64 : 202,400.16 = 79,598.64 : x
  2. Step 2: Convert to fraction form
    146,666.64/202,400.16 = 79,598.64/x
  3. Step 3: Cross multiply
    146,666.64x = 202,400.16 × 79,598.64
  4. Step 4: Simplify right side
    146,666.64x = 16,110,777,471.78
  5. Step 5: Solve for x
    x = 16,110,777,471.78/146,666.64
  6. Step 6: Final answer
    x = 109,846.23

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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.