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Finding the Fourth Proportional to 169,226.70, 253,840.05 and 42,866.70

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Solution

The fourth proportional to 169,226.70, 253,840.05 and 42,866.70 is: 64,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,226.70 : 253,840.05 = 42,866.70 : x
  2. Step 2: Convert to fraction form
    169,226.70/253,840.05 = 42,866.70/x
  3. Step 3: Cross multiply
    169,226.70x = 253,840.05 × 42,866.70
  4. Step 4: Simplify right side
    169,226.70x = 10,881,285,271.34
  5. Step 5: Solve for x
    x = 10,881,285,271.34/169,226.70
  6. Step 6: Final answer
    x = 64,300.05

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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.