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Finding the Fourth Proportional to 91,656.96, 137,482.92 and 29,326.56

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Solution

The fourth proportional to 91,656.96, 137,482.92 and 29,326.56 is: 43,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,656.96 : 137,482.92 = 29,326.56 : x
  2. Step 2: Convert to fraction form
    91,656.96/137,482.92 = 29,326.56/x
  3. Step 3: Cross multiply
    91,656.96x = 137,482.92 × 29,326.56
  4. Step 4: Simplify right side
    91,656.96x = 4,031,901,102.36
  5. Step 5: Solve for x
    x = 4,031,901,102.36/91,656.96
  6. Step 6: Final answer
    x = 43,989.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.