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Finding the Fourth Proportional to 210,421.98, 289,770.71 and 182,813.87

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Solution

The fourth proportional to 210,421.98, 289,770.71 and 182,813.87 is: 251,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,421.98 : 289,770.71 = 182,813.87 : x
  2. Step 2: Convert to fraction form
    210,421.98/289,770.71 = 182,813.87/x
  3. Step 3: Cross multiply
    210,421.98x = 289,770.71 × 182,813.87
  4. Step 4: Simplify right side
    210,421.98x = 52,974,104,718.11
  5. Step 5: Solve for x
    x = 52,974,104,718.11/210,421.98
  6. Step 6: Final answer
    x = 251,751.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.