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Finding the Fourth Proportional to 144,375.40, 216,579.30 and 44,534.80

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Solution

The fourth proportional to 144,375.40, 216,579.30 and 44,534.80 is: 66,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,375.40 : 216,579.30 = 44,534.80 : x
  2. Step 2: Convert to fraction form
    144,375.40/216,579.30 = 44,534.80/x
  3. Step 3: Cross multiply
    144,375.40x = 216,579.30 × 44,534.80
  4. Step 4: Simplify right side
    144,375.40x = 9,645,315,809.64
  5. Step 5: Solve for x
    x = 9,645,315,809.64/144,375.40
  6. Step 6: Final answer
    x = 66,807.20

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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.