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Finding the Fourth Proportional to 178,862.37, 246,776.25 and 107,216.25

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Solution

The fourth proportional to 178,862.37, 246,776.25 and 107,216.25 is: 147,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,862.37 : 246,776.25 = 107,216.25 : x
  2. Step 2: Convert to fraction form
    178,862.37/246,776.25 = 107,216.25/x
  3. Step 3: Cross multiply
    178,862.37x = 246,776.25 × 107,216.25
  4. Step 4: Simplify right side
    178,862.37x = 26,458,423,577.98
  5. Step 5: Solve for x
    x = 26,458,423,577.98/178,862.37
  6. Step 6: Final answer
    x = 147,926.16

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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.