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Finding the Fourth Proportional to 133,445.78, 184,362.04 and 111,897.51

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Solution

The fourth proportional to 133,445.78, 184,362.04 and 111,897.51 is: 154,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,445.78 : 184,362.04 = 111,897.51 : x
  2. Step 2: Convert to fraction form
    133,445.78/184,362.04 = 111,897.51/x
  3. Step 3: Cross multiply
    133,445.78x = 184,362.04 × 111,897.51
  4. Step 4: Simplify right side
    133,445.78x = 20,629,653,487.26
  5. Step 5: Solve for x
    x = 20,629,653,487.26/133,445.78
  6. Step 6: Final answer
    x = 154,592.03

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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.