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Finding the Fourth Proportional to 144,549.60, 216,824.40 and 100,226.40

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Solution

The fourth proportional to 144,549.60, 216,824.40 and 100,226.40 is: 150,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,549.60 : 216,824.40 = 100,226.40 : x
  2. Step 2: Convert to fraction form
    144,549.60/216,824.40 = 100,226.40/x
  3. Step 3: Cross multiply
    144,549.60x = 216,824.40 × 100,226.40
  4. Step 4: Simplify right side
    144,549.60x = 21,731,529,044.16
  5. Step 5: Solve for x
    x = 21,731,529,044.16/144,549.60
  6. Step 6: Final answer
    x = 150,339.60

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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.