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Finding the Fourth Proportional to 74,363.70, 102,641.94 and 46,053.66

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Solution

The fourth proportional to 74,363.70, 102,641.94 and 46,053.66 is: 63,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,363.70 : 102,641.94 = 46,053.66 : x
  2. Step 2: Convert to fraction form
    74,363.70/102,641.94 = 46,053.66/x
  3. Step 3: Cross multiply
    74,363.70x = 102,641.94 × 46,053.66
  4. Step 4: Simplify right side
    74,363.70x = 4,727,037,006.50
  5. Step 5: Solve for x
    x = 4,727,037,006.50/74,363.70
  6. Step 6: Final answer
    x = 63,566.46

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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.