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Finding the Fourth Proportional to 342,153.60, 513,230.40 and 92,835.60

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Solution

The fourth proportional to 342,153.60, 513,230.40 and 92,835.60 is: 139,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,153.60 : 513,230.40 = 92,835.60 : x
  2. Step 2: Convert to fraction form
    342,153.60/513,230.40 = 92,835.60/x
  3. Step 3: Cross multiply
    342,153.60x = 513,230.40 × 92,835.60
  4. Step 4: Simplify right side
    342,153.60x = 47,646,052,122.24
  5. Step 5: Solve for x
    x = 47,646,052,122.24/342,153.60
  6. Step 6: Final answer
    x = 139,253.40

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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.