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Finding the Fourth Proportional to 251,877.60, 376,941.60 and 173,145.60

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Solution

The fourth proportional to 251,877.60, 376,941.60 and 173,145.60 is: 259,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,877.60 : 376,941.60 = 173,145.60 : x
  2. Step 2: Convert to fraction form
    251,877.60/376,941.60 = 173,145.60/x
  3. Step 3: Cross multiply
    251,877.60x = 376,941.60 × 173,145.60
  4. Step 4: Simplify right side
    251,877.60x = 65,265,779,496.96
  5. Step 5: Solve for x
    x = 65,265,779,496.96/251,877.60
  6. Step 6: Final answer
    x = 259,117.05

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1.5x scale

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.