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Finding the Fourth Proportional to 100,043.94, 150,133.95 and 53,329.62

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Solution

The fourth proportional to 100,043.94, 150,133.95 and 53,329.62 is: 80,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,043.94 : 150,133.95 = 53,329.62 : x
  2. Step 2: Convert to fraction form
    100,043.94/150,133.95 = 53,329.62/x
  3. Step 3: Cross multiply
    100,043.94x = 150,133.95 × 53,329.62
  4. Step 4: Simplify right side
    100,043.94x = 8,006,586,502.60
  5. Step 5: Solve for x
    x = 8,006,586,502.60/100,043.94
  6. Step 6: Final answer
    x = 80,030.70

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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.