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Finding the Fourth Proportional to 162,503.80, 243,237.30 and 127,252.60

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Solution

The fourth proportional to 162,503.80, 243,237.30 and 127,252.60 is: 190,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,503.80 : 243,237.30 = 127,252.60 : x
  2. Step 2: Convert to fraction form
    162,503.80/243,237.30 = 127,252.60/x
  3. Step 3: Cross multiply
    162,503.80x = 243,237.30 × 127,252.60
  4. Step 4: Simplify right side
    162,503.80x = 30,952,578,841.98
  5. Step 5: Solve for x
    x = 30,952,578,841.98/162,503.80
  6. Step 6: Final answer
    x = 190,472.95

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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.