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Finding the Fourth Proportional to 556,092.80, 834,188.32 and 156,736.96

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Solution

The fourth proportional to 556,092.80, 834,188.32 and 156,736.96 is: 235,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,092.80 : 834,188.32 = 156,736.96 : x
  2. Step 2: Convert to fraction form
    556,092.80/834,188.32 = 156,736.96/x
  3. Step 3: Cross multiply
    556,092.80x = 834,188.32 × 156,736.96
  4. Step 4: Simplify right side
    556,092.80x = 130,748,141,344.31
  5. Step 5: Solve for x
    x = 130,748,141,344.31/556,092.80
  6. Step 6: Final answer
    x = 235,119.28

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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.