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Finding the Fourth Proportional to 184,203.60, 253,970.28 and 154,032.72

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Solution

The fourth proportional to 184,203.60, 253,970.28 and 154,032.72 is: 212,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,203.60 : 253,970.28 = 154,032.72 : x
  2. Step 2: Convert to fraction form
    184,203.60/253,970.28 = 154,032.72/x
  3. Step 3: Cross multiply
    184,203.60x = 253,970.28 × 154,032.72
  4. Step 4: Simplify right side
    184,203.60x = 39,119,733,027.56
  5. Step 5: Solve for x
    x = 39,119,733,027.56/184,203.60
  6. Step 6: Final answer
    x = 212,372.25

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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.