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Finding the Fourth Proportional to 343,157.34, 514,804.77 and 118,525.98

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Solution

The fourth proportional to 343,157.34, 514,804.77 and 118,525.98 is: 177,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,157.34 : 514,804.77 = 118,525.98 : x
  2. Step 2: Convert to fraction form
    343,157.34/514,804.77 = 118,525.98/x
  3. Step 3: Cross multiply
    343,157.34x = 514,804.77 × 118,525.98
  4. Step 4: Simplify right side
    343,157.34x = 61,017,739,872.92
  5. Step 5: Solve for x
    x = 61,017,739,872.92/343,157.34
  6. Step 6: Final answer
    x = 177,812.72

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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.