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Finding the Fourth Proportional to 230,312.80, 344,688.90 and 141,622.48

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Solution

The fourth proportional to 230,312.80, 344,688.90 and 141,622.48 is: 211,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,312.80 : 344,688.90 = 141,622.48 : x
  2. Step 2: Convert to fraction form
    230,312.80/344,688.90 = 141,622.48/x
  3. Step 3: Cross multiply
    230,312.80x = 344,688.90 × 141,622.48
  4. Step 4: Simplify right side
    230,312.80x = 48,815,696,846.47
  5. Step 5: Solve for x
    x = 48,815,696,846.47/230,312.80
  6. Step 6: Final answer
    x = 211,953.90

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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.