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Finding the Fourth Proportional to 230,662.41, 318,298.32 and 133,869.08

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Solution

The fourth proportional to 230,662.41, 318,298.32 and 133,869.08 is: 184,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,662.41 : 318,298.32 = 133,869.08 : x
  2. Step 2: Convert to fraction form
    230,662.41/318,298.32 = 133,869.08/x
  3. Step 3: Cross multiply
    230,662.41x = 318,298.32 × 133,869.08
  4. Step 4: Simplify right side
    230,662.41x = 42,610,301,672.45
  5. Step 5: Solve for x
    x = 42,610,301,672.45/230,662.41
  6. Step 6: Final answer
    x = 184,730.15

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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.