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Finding the Fourth Proportional to 184,538.80, 254,663.54 and 99,655.86

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Solution

The fourth proportional to 184,538.80, 254,663.54 and 99,655.86 is: 137,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,538.80 : 254,663.54 = 99,655.86 : x
  2. Step 2: Convert to fraction form
    184,538.80/254,663.54 = 99,655.86/x
  3. Step 3: Cross multiply
    184,538.80x = 254,663.54 × 99,655.86
  4. Step 4: Simplify right side
    184,538.80x = 25,378,712,317.75
  5. Step 5: Solve for x
    x = 25,378,712,317.75/184,538.80
  6. Step 6: Final answer
    x = 137,525.08

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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.