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Finding the Fourth Proportional to 133,998.91, 184,920.50 and 73,575

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Solution

The fourth proportional to 133,998.91, 184,920.50 and 73,575 is: 101,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,998.91 : 184,920.50 = 73,575 : x
  2. Step 2: Convert to fraction form
    133,998.91/184,920.50 = 73,575/x
  3. Step 3: Cross multiply
    133,998.91x = 184,920.50 × 73,575
  4. Step 4: Simplify right side
    133,998.91x = 13,605,525,971.44
  5. Step 5: Solve for x
    x = 13,605,525,971.44/133,998.91
  6. Step 6: Final answer
    x = 101,534.60

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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.