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Finding the Fourth Proportional to 250,611.95, 375,973.29 and 124,320.89

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Solution

The fourth proportional to 250,611.95, 375,973.29 and 124,320.89 is: 186,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,611.95 : 375,973.29 = 124,320.89 : x
  2. Step 2: Convert to fraction form
    250,611.95/375,973.29 = 124,320.89/x
  3. Step 3: Cross multiply
    250,611.95x = 375,973.29 × 124,320.89
  4. Step 4: Simplify right side
    250,611.95x = 46,741,334,968.96
  5. Step 5: Solve for x
    x = 46,741,334,968.96/250,611.95
  6. Step 6: Final answer
    x = 186,508.80

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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.