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Finding the Fourth Proportional to 250,834.50, 346,152.15 and 137,656.98

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Solution

The fourth proportional to 250,834.50, 346,152.15 and 137,656.98 is: 189,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,834.50 : 346,152.15 = 137,656.98 : x
  2. Step 2: Convert to fraction form
    250,834.50/346,152.15 = 137,656.98/x
  3. Step 3: Cross multiply
    250,834.50x = 346,152.15 × 137,656.98
  4. Step 4: Simplify right side
    250,834.50x = 47,650,259,589.51
  5. Step 5: Solve for x
    x = 47,650,259,589.51/250,834.50
  6. Step 6: Final answer
    x = 189,966.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.