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Finding the Fourth Proportional to 114,901.80, 172,368.90 and 36,007.80

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Solution

The fourth proportional to 114,901.80, 172,368.90 and 36,007.80 is: 54,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,901.80 : 172,368.90 = 36,007.80 : x
  2. Step 2: Convert to fraction form
    114,901.80/172,368.90 = 36,007.80/x
  3. Step 3: Cross multiply
    114,901.80x = 172,368.90 × 36,007.80
  4. Step 4: Simplify right side
    114,901.80x = 6,206,624,877.42
  5. Step 5: Solve for x
    x = 6,206,624,877.42/114,901.80
  6. Step 6: Final answer
    x = 54,016.78

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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.