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Finding the Fourth Proportional to 104,436.70, 156,655.05 and 51,948.70

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Solution

The fourth proportional to 104,436.70, 156,655.05 and 51,948.70 is: 77,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,436.70 : 156,655.05 = 51,948.70 : x
  2. Step 2: Convert to fraction form
    104,436.70/156,655.05 = 51,948.70/x
  3. Step 3: Cross multiply
    104,436.70x = 156,655.05 × 51,948.70
  4. Step 4: Simplify right side
    104,436.70x = 8,138,026,195.94
  5. Step 5: Solve for x
    x = 8,138,026,195.94/104,436.70
  6. Step 6: Final answer
    x = 77,923.05

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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.