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Finding the Fourth Proportional to 162,283.80, 243,397.98 and 43,927.50

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Solution

The fourth proportional to 162,283.80, 243,397.98 and 43,927.50 is: 65,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,283.80 : 243,397.98 = 43,927.50 : x
  2. Step 2: Convert to fraction form
    162,283.80/243,397.98 = 43,927.50/x
  3. Step 3: Cross multiply
    162,283.80x = 243,397.98 × 43,927.50
  4. Step 4: Simplify right side
    162,283.80x = 10,691,864,766.45
  5. Step 5: Solve for x
    x = 10,691,864,766.45/162,283.80
  6. Step 6: Final answer
    x = 65,883.75

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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.