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Finding the Fourth Proportional to 140,283.98, 210,287.45 and 55,993.34

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Solution

The fourth proportional to 140,283.98, 210,287.45 and 55,993.34 is: 83,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,283.98 : 210,287.45 = 55,993.34 : x
  2. Step 2: Convert to fraction form
    140,283.98/210,287.45 = 55,993.34/x
  3. Step 3: Cross multiply
    140,283.98x = 210,287.45 × 55,993.34
  4. Step 4: Simplify right side
    140,283.98x = 11,774,696,685.58
  5. Step 5: Solve for x
    x = 11,774,696,685.58/140,283.98
  6. Step 6: Final answer
    x = 83,934.72

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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.