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Finding the Fourth Proportional to 140,283.48, 210,286.70 and 55,992.84

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Solution

The fourth proportional to 140,283.48, 210,286.70 and 55,992.84 is: 83,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,283.48 : 210,286.70 = 55,992.84 : x
  2. Step 2: Convert to fraction form
    140,283.48/210,286.70 = 55,992.84/x
  3. Step 3: Cross multiply
    140,283.48x = 210,286.70 × 55,992.84
  4. Step 4: Simplify right side
    140,283.48x = 11,774,549,547.23
  5. Step 5: Solve for x
    x = 11,774,549,547.23/140,283.48
  6. Step 6: Final answer
    x = 83,933.97

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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.