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Finding the Fourth Proportional to 162,759.40, 228,174.20 and 162,759.40

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Solution

The fourth proportional to 162,759.40, 228,174.20 and 162,759.40 is: 228,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,759.40 : 228,174.20 = 162,759.40 : x
  2. Step 2: Convert to fraction form
    162,759.40/228,174.20 = 162,759.40/x
  3. Step 3: Cross multiply
    162,759.40x = 228,174.20 × 162,759.40
  4. Step 4: Simplify right side
    162,759.40x = 37,137,495,887.48
  5. Step 5: Solve for x
    x = 37,137,495,887.48/162,759.40
  6. Step 6: Final answer
    x = 228,174.20

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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.