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Finding the Fourth Proportional to 230,817.72, 346,835.45 and 124,280.45

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Solution

The fourth proportional to 230,817.72, 346,835.45 and 124,280.45 is: 186,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,817.72 : 346,835.45 = 124,280.45 : x
  2. Step 2: Convert to fraction form
    230,817.72/346,835.45 = 124,280.45/x
  3. Step 3: Cross multiply
    230,817.72x = 346,835.45 × 124,280.45
  4. Step 4: Simplify right side
    230,817.72x = 43,104,864,378.48
  5. Step 5: Solve for x
    x = 43,104,864,378.48/230,817.72
  6. Step 6: Final answer
    x = 186,748.51

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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.