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Finding the Fourth Proportional to 230,498.52, 318,017.36 and 133,682.76

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Solution

The fourth proportional to 230,498.52, 318,017.36 and 133,682.76 is: 184,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,498.52 : 318,017.36 = 133,682.76 : x
  2. Step 2: Convert to fraction form
    230,498.52/318,017.36 = 133,682.76/x
  3. Step 3: Cross multiply
    230,498.52x = 318,017.36 × 133,682.76
  4. Step 4: Simplify right side
    230,498.52x = 42,513,438,412.71
  5. Step 5: Solve for x
    x = 42,513,438,412.71/230,498.52
  6. Step 6: Final answer
    x = 184,441.26

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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.