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Finding the Fourth Proportional to 113,267.40, 169,921.59 and 46,670.49

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Solution

The fourth proportional to 113,267.40, 169,921.59 and 46,670.49 is: 70,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,267.40 : 169,921.59 = 46,670.49 : x
  2. Step 2: Convert to fraction form
    113,267.40/169,921.59 = 46,670.49/x
  3. Step 3: Cross multiply
    113,267.40x = 169,921.59 × 46,670.49
  4. Step 4: Simplify right side
    113,267.40x = 7,930,323,866.88
  5. Step 5: Solve for x
    x = 7,930,323,866.88/113,267.40
  6. Step 6: Final answer
    x = 70,014.18

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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.