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Finding the Fourth Proportional to 133,643.60, 184,428.10 and 73,214.15

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Solution

The fourth proportional to 133,643.60, 184,428.10 and 73,214.15 is: 101,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,643.60 : 184,428.10 = 73,214.15 : x
  2. Step 2: Convert to fraction form
    133,643.60/184,428.10 = 73,214.15/x
  3. Step 3: Cross multiply
    133,643.60x = 184,428.10 × 73,214.15
  4. Step 4: Simplify right side
    133,643.60x = 13,502,746,577.62
  5. Step 5: Solve for x
    x = 13,502,746,577.62/133,643.60
  6. Step 6: Final answer
    x = 101,035.49

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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.