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Finding the Fourth Proportional to 234,756.48, 351,533.64 and 129,458.64

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Solution

The fourth proportional to 234,756.48, 351,533.64 and 129,458.64 is: 193,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,756.48 : 351,533.64 = 129,458.64 : x
  2. Step 2: Convert to fraction form
    234,756.48/351,533.64 = 129,458.64/x
  3. Step 3: Cross multiply
    234,756.48x = 351,533.64 × 129,458.64
  4. Step 4: Simplify right side
    234,756.48x = 45,509,066,948.65
  5. Step 5: Solve for x
    x = 45,509,066,948.65/234,756.48
  6. Step 6: Final answer
    x = 193,856.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.