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Finding the Fourth Proportional to 226,395.95, 312,426.18 and 124,427.95

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Solution

The fourth proportional to 226,395.95, 312,426.18 and 124,427.95 is: 171,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,395.95 : 312,426.18 = 124,427.95 : x
  2. Step 2: Convert to fraction form
    226,395.95/312,426.18 = 124,427.95/x
  3. Step 3: Cross multiply
    226,395.95x = 312,426.18 × 124,427.95
  4. Step 4: Simplify right side
    226,395.95x = 38,874,548,322.67
  5. Step 5: Solve for x
    x = 38,874,548,322.67/226,395.95
  6. Step 6: Final answer
    x = 171,710.44

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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.