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Finding the Fourth Proportional to 133,709.12, 184,526.88 and 74,093.12

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Solution

The fourth proportional to 133,709.12, 184,526.88 and 74,093.12 is: 102,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,709.12 : 184,526.88 = 74,093.12 : x
  2. Step 2: Convert to fraction form
    133,709.12/184,526.88 = 74,093.12/x
  3. Step 3: Cross multiply
    133,709.12x = 184,526.88 × 74,093.12
  4. Step 4: Simplify right side
    133,709.12x = 13,672,172,263.07
  5. Step 5: Solve for x
    x = 13,672,172,263.07/133,709.12
  6. Step 6: Final answer
    x = 102,253.10

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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.