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Finding the Fourth Proportional to 230,752.16, 318,438.24 and 130,150.16

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Solution

The fourth proportional to 230,752.16, 318,438.24 and 130,150.16 is: 179,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,752.16 : 318,438.24 = 130,150.16 : x
  2. Step 2: Convert to fraction form
    230,752.16/318,438.24 = 130,150.16/x
  3. Step 3: Cross multiply
    230,752.16x = 318,438.24 × 130,150.16
  4. Step 4: Simplify right side
    230,752.16x = 41,444,787,886.12
  5. Step 5: Solve for x
    x = 41,444,787,886.12/230,752.16
  6. Step 6: Final answer
    x = 179,607.37

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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.