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Finding the Fourth Proportional to 144,503.40, 202,443 and 144,503.40

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Solution

The fourth proportional to 144,503.40, 202,443 and 144,503.40 is: 202,443

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,503.40 : 202,443 = 144,503.40 : x
  2. Step 2: Convert to fraction form
    144,503.40/202,443 = 144,503.40/x
  3. Step 3: Cross multiply
    144,503.40x = 202,443 × 144,503.40
  4. Step 4: Simplify right side
    144,503.40x = 29,253,701,806.20
  5. Step 5: Solve for x
    x = 29,253,701,806.20/144,503.40
  6. Step 6: Final answer
    x = 202,443

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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.