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Finding the Fourth Proportional to 133,643.79, 184,428.09 and 73,214.55

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Solution

The fourth proportional to 133,643.79, 184,428.09 and 73,214.55 is: 101,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,643.79 : 184,428.09 = 73,214.55 : x
  2. Step 2: Convert to fraction form
    133,643.79/184,428.09 = 73,214.55/x
  3. Step 3: Cross multiply
    133,643.79x = 184,428.09 × 73,214.55
  4. Step 4: Simplify right side
    133,643.79x = 13,502,819,616.71
  5. Step 5: Solve for x
    x = 13,502,819,616.71/133,643.79
  6. Step 6: Final answer
    x = 101,035.89

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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.