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Finding the Fourth Proportional to 267,957.12, 401,935.68 and 157,088.64

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Solution

The fourth proportional to 267,957.12, 401,935.68 and 157,088.64 is: 235,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,957.12 : 401,935.68 = 157,088.64 : x
  2. Step 2: Convert to fraction form
    267,957.12/401,935.68 = 157,088.64/x
  3. Step 3: Cross multiply
    267,957.12x = 401,935.68 × 157,088.64
  4. Step 4: Simplify right side
    267,957.12x = 63,139,529,338.68
  5. Step 5: Solve for x
    x = 63,139,529,338.68/267,957.12
  6. Step 6: Final answer
    x = 235,632.96

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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.