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Finding the Fourth Proportional to 117,028.10, 163,528.30 and 117,028.10

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Solution

The fourth proportional to 117,028.10, 163,528.30 and 117,028.10 is: 163,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.10 : 163,528.30 = 117,028.10 : x
  2. Step 2: Convert to fraction form
    117,028.10/163,528.30 = 117,028.10/x
  3. Step 3: Cross multiply
    117,028.10x = 163,528.30 × 117,028.10
  4. Step 4: Simplify right side
    117,028.10x = 19,137,406,245.23
  5. Step 5: Solve for x
    x = 19,137,406,245.23/117,028.10
  6. Step 6: Final answer
    x = 163,528.30

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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.