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Finding the Fourth Proportional to 169,329.92, 233,628 and 133,408.40

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Solution

The fourth proportional to 169,329.92, 233,628 and 133,408.40 is: 184,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,329.92 : 233,628 = 133,408.40 : x
  2. Step 2: Convert to fraction form
    169,329.92/233,628 = 133,408.40/x
  3. Step 3: Cross multiply
    169,329.92x = 233,628 × 133,408.40
  4. Step 4: Simplify right side
    169,329.92x = 31,167,937,675.20
  5. Step 5: Solve for x
    x = 31,167,937,675.20/169,329.92
  6. Step 6: Final answer
    x = 184,066.33

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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.