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Finding the Fourth Proportional to 144,892.80, 202,435.20 and 144,892.80

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Solution

The fourth proportional to 144,892.80, 202,435.20 and 144,892.80 is: 202,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,892.80 : 202,435.20 = 144,892.80 : x
  2. Step 2: Convert to fraction form
    144,892.80/202,435.20 = 144,892.80/x
  3. Step 3: Cross multiply
    144,892.80x = 202,435.20 × 144,892.80
  4. Step 4: Simplify right side
    144,892.80x = 29,331,402,946.56
  5. Step 5: Solve for x
    x = 29,331,402,946.56/144,892.80
  6. Step 6: Final answer
    x = 202,435.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.