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Finding the Fourth Proportional to 201,897.40, 303,137.70 and 152,325.40

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Solution

The fourth proportional to 201,897.40, 303,137.70 and 152,325.40 is: 228,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,897.40 : 303,137.70 = 152,325.40 : x
  2. Step 2: Convert to fraction form
    201,897.40/303,137.70 = 152,325.40/x
  3. Step 3: Cross multiply
    201,897.40x = 303,137.70 × 152,325.40
  4. Step 4: Simplify right side
    201,897.40x = 46,175,571,407.58
  5. Step 5: Solve for x
    x = 46,175,571,407.58/201,897.40
  6. Step 6: Final answer
    x = 228,708.10

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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.