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Finding the Fourth Proportional to 151,136, 226,708.80 and 45,955.88

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Solution

The fourth proportional to 151,136, 226,708.80 and 45,955.88 is: 68,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,136 : 226,708.80 = 45,955.88 : x
  2. Step 2: Convert to fraction form
    151,136/226,708.80 = 45,955.88/x
  3. Step 3: Cross multiply
    151,136x = 226,708.80 × 45,955.88
  4. Step 4: Simplify right side
    151,136x = 10,418,602,407.74
  5. Step 5: Solve for x
    x = 10,418,602,407.74/151,136
  6. Step 6: Final answer
    x = 68,935.28

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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.