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Finding the Fourth Proportional to 123,472.13, 184,971.53 and 73,400.63

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Solution

The fourth proportional to 123,472.13, 184,971.53 and 73,400.63 is: 109,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,472.13 : 184,971.53 = 73,400.63 : x
  2. Step 2: Convert to fraction form
    123,472.13/184,971.53 = 73,400.63/x
  3. Step 3: Cross multiply
    123,472.13x = 184,971.53 × 73,400.63
  4. Step 4: Simplify right side
    123,472.13x = 13,577,026,092.71
  5. Step 5: Solve for x
    x = 13,577,026,092.71/123,472.13
  6. Step 6: Final answer
    x = 109,960.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.