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Finding the Fourth Proportional to 234,284.76, 323,300.16 and 137,475.58

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Solution

The fourth proportional to 234,284.76, 323,300.16 and 137,475.58 is: 189,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,284.76 : 323,300.16 = 137,475.58 : x
  2. Step 2: Convert to fraction form
    234,284.76/323,300.16 = 137,475.58/x
  3. Step 3: Cross multiply
    234,284.76x = 323,300.16 × 137,475.58
  4. Step 4: Simplify right side
    234,284.76x = 44,445,877,010.09
  5. Step 5: Solve for x
    x = 44,445,877,010.09/234,284.76
  6. Step 6: Final answer
    x = 189,708.78

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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.