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Finding the Fourth Proportional to 150,890.40, 211,557.60 and 150,890.40

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Solution

The fourth proportional to 150,890.40, 211,557.60 and 150,890.40 is: 211,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,890.40 : 211,557.60 = 150,890.40 : x
  2. Step 2: Convert to fraction form
    150,890.40/211,557.60 = 150,890.40/x
  3. Step 3: Cross multiply
    150,890.40x = 211,557.60 × 150,890.40
  4. Step 4: Simplify right side
    150,890.40x = 31,922,010,887.04
  5. Step 5: Solve for x
    x = 31,922,010,887.04/150,890.40
  6. Step 6: Final answer
    x = 211,557.60

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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.