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Finding the Fourth Proportional to 145,992.56, 218,988.36 and 35,184.56

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Solution

The fourth proportional to 145,992.56, 218,988.36 and 35,184.56 is: 52,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,992.56 : 218,988.36 = 35,184.56 : x
  2. Step 2: Convert to fraction form
    145,992.56/218,988.36 = 35,184.56/x
  3. Step 3: Cross multiply
    145,992.56x = 218,988.36 × 35,184.56
  4. Step 4: Simplify right side
    145,992.56x = 7,705,009,091.72
  5. Step 5: Solve for x
    x = 7,705,009,091.72/145,992.56
  6. Step 6: Final answer
    x = 52,776.72

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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.