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Finding the Fourth Proportional to 145,808.92, 218,713.40 and 35,000.92

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Solution

The fourth proportional to 145,808.92, 218,713.40 and 35,000.92 is: 52,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,808.92 : 218,713.40 = 35,000.92 : x
  2. Step 2: Convert to fraction form
    145,808.92/218,713.40 = 35,000.92/x
  3. Step 3: Cross multiply
    145,808.92x = 218,713.40 × 35,000.92
  4. Step 4: Simplify right side
    145,808.92x = 7,655,170,216.33
  5. Step 5: Solve for x
    x = 7,655,170,216.33/145,808.92
  6. Step 6: Final answer
    x = 52,501.38

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Similar ratio
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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.