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Finding the Fourth Proportional to 234,085.96, 323,036.33 and 126,653.64

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Solution

The fourth proportional to 234,085.96, 323,036.33 and 126,653.64 is: 174,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,085.96 : 323,036.33 = 126,653.64 : x
  2. Step 2: Convert to fraction form
    234,085.96/323,036.33 = 126,653.64/x
  3. Step 3: Cross multiply
    234,085.96x = 323,036.33 × 126,653.64
  4. Step 4: Simplify right side
    234,085.96x = 40,913,724,798.29
  5. Step 5: Solve for x
    x = 40,913,724,798.29/234,085.96
  6. Step 6: Final answer
    x = 174,780.77

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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.