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Finding the Fourth Proportional to 151,871.60, 227,807.40 and 73,139.60

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Solution

The fourth proportional to 151,871.60, 227,807.40 and 73,139.60 is: 109,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,871.60 : 227,807.40 = 73,139.60 : x
  2. Step 2: Convert to fraction form
    151,871.60/227,807.40 = 73,139.60/x
  3. Step 3: Cross multiply
    151,871.60x = 227,807.40 × 73,139.60
  4. Step 4: Simplify right side
    151,871.60x = 16,661,742,113.04
  5. Step 5: Solve for x
    x = 16,661,742,113.04/151,871.60
  6. Step 6: Final answer
    x = 109,709.40

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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.