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Finding the Fourth Proportional to 224,745.12, 310,147.32 and 124,143.12

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Solution

The fourth proportional to 224,745.12, 310,147.32 and 124,143.12 is: 171,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,745.12 : 310,147.32 = 124,143.12 : x
  2. Step 2: Convert to fraction form
    224,745.12/310,147.32 = 124,143.12/x
  3. Step 3: Cross multiply
    224,745.12x = 310,147.32 × 124,143.12
  4. Step 4: Simplify right side
    224,745.12x = 38,502,655,964.44
  5. Step 5: Solve for x
    x = 38,502,655,964.44/224,745.12
  6. Step 6: Final answer
    x = 171,316.98

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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.