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Finding the Fourth Proportional to 333,771.60, 500,653.08 and 81,054.16

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Solution

The fourth proportional to 333,771.60, 500,653.08 and 81,054.16 is: 121,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,771.60 : 500,653.08 = 81,054.16 : x
  2. Step 2: Convert to fraction form
    333,771.60/500,653.08 = 81,054.16/x
  3. Step 3: Cross multiply
    333,771.60x = 500,653.08 × 81,054.16
  4. Step 4: Simplify right side
    333,771.60x = 40,580,014,850.81
  5. Step 5: Solve for x
    x = 40,580,014,850.81/333,771.60
  6. Step 6: Final answer
    x = 121,580.19

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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.