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Finding the Fourth Proportional to 133,684.69, 184,484.81 and 74,068.69

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Solution

The fourth proportional to 133,684.69, 184,484.81 and 74,068.69 is: 102,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,684.69 : 184,484.81 = 74,068.69 : x
  2. Step 2: Convert to fraction form
    133,684.69/184,484.81 = 74,068.69/x
  3. Step 3: Cross multiply
    133,684.69x = 184,484.81 × 74,068.69
  4. Step 4: Simplify right side
    133,684.69x = 13,664,547,464.35
  5. Step 5: Solve for x
    x = 13,664,547,464.35/133,684.69
  6. Step 6: Final answer
    x = 102,214.76

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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.