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Finding the Fourth Proportional to 210,058.28, 289,927.32 and 133,562.42

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Solution

The fourth proportional to 210,058.28, 289,927.32 and 133,562.42 is: 184,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,058.28 : 289,927.32 = 133,562.42 : x
  2. Step 2: Convert to fraction form
    210,058.28/289,927.32 = 133,562.42/x
  3. Step 3: Cross multiply
    210,058.28x = 289,927.32 × 133,562.42
  4. Step 4: Simplify right side
    210,058.28x = 38,723,394,483.31
  5. Step 5: Solve for x
    x = 38,723,394,483.31/210,058.28
  6. Step 6: Final answer
    x = 184,345.96

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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.