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Finding the Fourth Proportional to 186,653.68, 279,980.43 and 46,412.29

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Solution

The fourth proportional to 186,653.68, 279,980.43 and 46,412.29 is: 69,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,653.68 : 279,980.43 = 46,412.29 : x
  2. Step 2: Convert to fraction form
    186,653.68/279,980.43 = 46,412.29/x
  3. Step 3: Cross multiply
    186,653.68x = 279,980.43 × 46,412.29
  4. Step 4: Simplify right side
    186,653.68x = 12,994,532,911.48
  5. Step 5: Solve for x
    x = 12,994,532,911.48/186,653.68
  6. Step 6: Final answer
    x = 69,618.41

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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.