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Finding the Fourth Proportional to 110,130.40, 154,493.60 and 110,130.40

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Solution

The fourth proportional to 110,130.40, 154,493.60 and 110,130.40 is: 154,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,130.40 : 154,493.60 = 110,130.40 : x
  2. Step 2: Convert to fraction form
    110,130.40/154,493.60 = 110,130.40/x
  3. Step 3: Cross multiply
    110,130.40x = 154,493.60 × 110,130.40
  4. Step 4: Simplify right side
    110,130.40x = 17,014,441,965.44
  5. Step 5: Solve for x
    x = 17,014,441,965.44/110,130.40
  6. Step 6: Final answer
    x = 154,493.60

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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.