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Finding the Fourth Proportional to 151,277.60, 226,916.40 and 136,762.40

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Solution

The fourth proportional to 151,277.60, 226,916.40 and 136,762.40 is: 205,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,277.60 : 226,916.40 = 136,762.40 : x
  2. Step 2: Convert to fraction form
    151,277.60/226,916.40 = 136,762.40/x
  3. Step 3: Cross multiply
    151,277.60x = 226,916.40 × 136,762.40
  4. Step 4: Simplify right side
    151,277.60x = 31,033,631,463.36
  5. Step 5: Solve for x
    x = 31,033,631,463.36/151,277.60
  6. Step 6: Final answer
    x = 205,143.60

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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.