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Finding the Fourth Proportional to 163,051.70, 228,427.90 and 163,051.70

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Solution

The fourth proportional to 163,051.70, 228,427.90 and 163,051.70 is: 228,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,051.70 : 228,427.90 = 163,051.70 : x
  2. Step 2: Convert to fraction form
    163,051.70/228,427.90 = 163,051.70/x
  3. Step 3: Cross multiply
    163,051.70x = 228,427.90 × 163,051.70
  4. Step 4: Simplify right side
    163,051.70x = 37,245,557,422.43
  5. Step 5: Solve for x
    x = 37,245,557,422.43/163,051.70
  6. Step 6: Final answer
    x = 228,427.90

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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.