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Finding the Fourth Proportional to 230,772.40, 346,158.60 and 141,737.20

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Solution

The fourth proportional to 230,772.40, 346,158.60 and 141,737.20 is: 212,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,772.40 : 346,158.60 = 141,737.20 : x
  2. Step 2: Convert to fraction form
    230,772.40/346,158.60 = 141,737.20/x
  3. Step 3: Cross multiply
    230,772.40x = 346,158.60 × 141,737.20
  4. Step 4: Simplify right side
    230,772.40x = 49,063,550,719.92
  5. Step 5: Solve for x
    x = 49,063,550,719.92/230,772.40
  6. Step 6: Final answer
    x = 212,605.80

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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.