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Finding the Fourth Proportional to 113,042.88, 169,643.70 and 46,543.50

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Solution

The fourth proportional to 113,042.88, 169,643.70 and 46,543.50 is: 69,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,042.88 : 169,643.70 = 46,543.50 : x
  2. Step 2: Convert to fraction form
    113,042.88/169,643.70 = 46,543.50/x
  3. Step 3: Cross multiply
    113,042.88x = 169,643.70 × 46,543.50
  4. Step 4: Simplify right side
    113,042.88x = 7,895,811,550.95
  5. Step 5: Solve for x
    x = 7,895,811,550.95/113,042.88
  6. Step 6: Final answer
    x = 69,847.93

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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.