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Finding the Fourth Proportional to 235,492.10, 353,188.68 and 77,683.58

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Solution

The fourth proportional to 235,492.10, 353,188.68 and 77,683.58 is: 116,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,492.10 : 353,188.68 = 77,683.58 : x
  2. Step 2: Convert to fraction form
    235,492.10/353,188.68 = 77,683.58/x
  3. Step 3: Cross multiply
    235,492.10x = 353,188.68 × 77,683.58
  4. Step 4: Simplify right side
    235,492.10x = 27,436,959,311.93
  5. Step 5: Solve for x
    x = 27,436,959,311.93/235,492.10
  6. Step 6: Final answer
    x = 116,509.05

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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.