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Finding the Fourth Proportional to 134,277.60, 201,243.60 and 102,957.60

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Solution

The fourth proportional to 134,277.60, 201,243.60 and 102,957.60 is: 154,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,277.60 : 201,243.60 = 102,957.60 : x
  2. Step 2: Convert to fraction form
    134,277.60/201,243.60 = 102,957.60/x
  3. Step 3: Cross multiply
    134,277.60x = 201,243.60 × 102,957.60
  4. Step 4: Simplify right side
    134,277.60x = 20,719,558,071.36
  5. Step 5: Solve for x
    x = 20,719,558,071.36/134,277.60
  6. Step 6: Final answer
    x = 154,303.91

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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.