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Finding the Fourth Proportional to 341,973.96, 512,960.80 and 92,655.96

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Solution

The fourth proportional to 341,973.96, 512,960.80 and 92,655.96 is: 138,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,973.96 : 512,960.80 = 92,655.96 : x
  2. Step 2: Convert to fraction form
    341,973.96/512,960.80 = 92,655.96/x
  3. Step 3: Cross multiply
    341,973.96x = 512,960.80 × 92,655.96
  4. Step 4: Simplify right side
    341,973.96x = 47,528,875,366.37
  5. Step 5: Solve for x
    x = 47,528,875,366.37/341,973.96
  6. Step 6: Final answer
    x = 138,983.90

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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.