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Finding the Fourth Proportional to 133,684.25, 184,484.27 and 74,068.25

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Solution

The fourth proportional to 133,684.25, 184,484.27 and 74,068.25 is: 102,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,684.25 : 184,484.27 = 74,068.25 : x
  2. Step 2: Convert to fraction form
    133,684.25/184,484.27 = 74,068.25/x
  3. Step 3: Cross multiply
    133,684.25x = 184,484.27 × 74,068.25
  4. Step 4: Simplify right side
    133,684.25x = 13,664,426,661.09
  5. Step 5: Solve for x
    x = 13,664,426,661.09/133,684.25
  6. Step 6: Final answer
    x = 102,214.19

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1.5x scale

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.