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Finding the Fourth Proportional to 113,420.20, 170,081.70 and 46,838.20

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Solution

The fourth proportional to 113,420.20, 170,081.70 and 46,838.20 is: 70,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420.20 : 170,081.70 = 46,838.20 : x
  2. Step 2: Convert to fraction form
    113,420.20/170,081.70 = 46,838.20/x
  3. Step 3: Cross multiply
    113,420.20x = 170,081.70 × 46,838.20
  4. Step 4: Simplify right side
    113,420.20x = 7,966,320,680.94
  5. Step 5: Solve for x
    x = 7,966,320,680.94/113,420.20
  6. Step 6: Final answer
    x = 70,237.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.