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Finding the Fourth Proportional to 114,006.32, 171,044.04 and 80,790.64

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Solution

The fourth proportional to 114,006.32, 171,044.04 and 80,790.64 is: 121,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,006.32 : 171,044.04 = 80,790.64 : x
  2. Step 2: Convert to fraction form
    114,006.32/171,044.04 = 80,790.64/x
  3. Step 3: Cross multiply
    114,006.32x = 171,044.04 × 80,790.64
  4. Step 4: Simplify right side
    114,006.32x = 13,818,757,459.79
  5. Step 5: Solve for x
    x = 13,818,757,459.79/114,006.32
  6. Step 6: Final answer
    x = 121,210.45

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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.