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Finding the Fourth Proportional to 251,492.10, 377,108.55 and 93,639.30

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Solution

The fourth proportional to 251,492.10, 377,108.55 and 93,639.30 is: 140,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492.10 : 377,108.55 = 93,639.30 : x
  2. Step 2: Convert to fraction form
    251,492.10/377,108.55 = 93,639.30/x
  3. Step 3: Cross multiply
    251,492.10x = 377,108.55 × 93,639.30
  4. Step 4: Simplify right side
    251,492.10x = 35,312,180,646.02
  5. Step 5: Solve for x
    x = 35,312,180,646.02/251,492.10
  6. Step 6: Final answer
    x = 140,410.70

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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.