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Finding the Fourth Proportional to 168,603.70, 232,402.88 and 114,138.69

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Solution

The fourth proportional to 168,603.70, 232,402.88 and 114,138.69 is: 157,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,603.70 : 232,402.88 = 114,138.69 : x
  2. Step 2: Convert to fraction form
    168,603.70/232,402.88 = 114,138.69/x
  3. Step 3: Cross multiply
    168,603.70x = 232,402.88 × 114,138.69
  4. Step 4: Simplify right side
    168,603.70x = 26,526,160,285.74
  5. Step 5: Solve for x
    x = 26,526,160,285.74/168,603.70
  6. Step 6: Final answer
    x = 157,328.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.