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Finding the Fourth Proportional to 229,007.58, 315,921.65 and 152,562.21

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Solution

The fourth proportional to 229,007.58, 315,921.65 and 152,562.21 is: 210,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,007.58 : 315,921.65 = 152,562.21 : x
  2. Step 2: Convert to fraction form
    229,007.58/315,921.65 = 152,562.21/x
  3. Step 3: Cross multiply
    229,007.58x = 315,921.65 × 152,562.21
  4. Step 4: Simplify right side
    229,007.58x = 48,197,704,348.04
  5. Step 5: Solve for x
    x = 48,197,704,348.04/229,007.58
  6. Step 6: Final answer
    x = 210,463.36

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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.