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Finding the Fourth Proportional to 151,957.20, 227,935.80 and 46,808.40

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Solution

The fourth proportional to 151,957.20, 227,935.80 and 46,808.40 is: 70,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,957.20 : 227,935.80 = 46,808.40 : x
  2. Step 2: Convert to fraction form
    151,957.20/227,935.80 = 46,808.40/x
  3. Step 3: Cross multiply
    151,957.20x = 227,935.80 × 46,808.40
  4. Step 4: Simplify right side
    151,957.20x = 10,669,310,100.72
  5. Step 5: Solve for x
    x = 10,669,310,100.72/151,957.20
  6. Step 6: Final answer
    x = 70,212.60

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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.