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Finding the Fourth Proportional to 226,673.94, 312,800.16 and 124,692.93

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Solution

The fourth proportional to 226,673.94, 312,800.16 and 124,692.93 is: 172,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,673.94 : 312,800.16 = 124,692.93 : x
  2. Step 2: Convert to fraction form
    226,673.94/312,800.16 = 124,692.93/x
  3. Step 3: Cross multiply
    226,673.94x = 312,800.16 × 124,692.93
  4. Step 4: Simplify right side
    226,673.94x = 39,003,968,454.87
  5. Step 5: Solve for x
    x = 39,003,968,454.87/226,673.94
  6. Step 6: Final answer
    x = 172,070.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.