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Finding the Fourth Proportional to 155,955.53, 233,931.12 and 37,625.87

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Solution

The fourth proportional to 155,955.53, 233,931.12 and 37,625.87 is: 56,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,955.53 : 233,931.12 = 37,625.87 : x
  2. Step 2: Convert to fraction form
    155,955.53/233,931.12 = 37,625.87/x
  3. Step 3: Cross multiply
    155,955.53x = 233,931.12 × 37,625.87
  4. Step 4: Simplify right side
    155,955.53x = 8,801,860,740.42
  5. Step 5: Solve for x
    x = 8,801,860,740.42/155,955.53
  6. Step 6: Final answer
    x = 56,438.27

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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.