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Finding the Fourth Proportional to 150,570.64, 225,461.40 and 105,955.84

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Solution

The fourth proportional to 150,570.64, 225,461.40 and 105,955.84 is: 158,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,570.64 : 225,461.40 = 105,955.84 : x
  2. Step 2: Convert to fraction form
    150,570.64/225,461.40 = 105,955.84/x
  3. Step 3: Cross multiply
    150,570.64x = 225,461.40 × 105,955.84
  4. Step 4: Simplify right side
    150,570.64x = 23,888,952,024.58
  5. Step 5: Solve for x
    x = 23,888,952,024.58/150,570.64
  6. Step 6: Final answer
    x = 158,656.11

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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.