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Finding the Fourth Proportional to 230,492.52, 318,009.07 and 133,676.76

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Solution

The fourth proportional to 230,492.52, 318,009.07 and 133,676.76 is: 184,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,492.52 : 318,009.07 = 133,676.76 : x
  2. Step 2: Convert to fraction form
    230,492.52/318,009.07 = 133,676.76/x
  3. Step 3: Cross multiply
    230,492.52x = 318,009.07 × 133,676.76
  4. Step 4: Simplify right side
    230,492.52x = 42,510,423,487.84
  5. Step 5: Solve for x
    x = 42,510,423,487.84/230,492.52
  6. Step 6: Final answer
    x = 184,432.99

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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.