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Finding the Fourth Proportional to 226,462.32, 312,522.84 and 125,858.16

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Solution

The fourth proportional to 226,462.32, 312,522.84 and 125,858.16 is: 173,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,462.32 : 312,522.84 = 125,858.16 : x
  2. Step 2: Convert to fraction form
    226,462.32/312,522.84 = 125,858.16/x
  3. Step 3: Cross multiply
    226,462.32x = 312,522.84 × 125,858.16
  4. Step 4: Simplify right side
    226,462.32x = 39,333,549,600.37
  5. Step 5: Solve for x
    x = 39,333,549,600.37/226,462.32
  6. Step 6: Final answer
    x = 173,686.95

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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.