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Finding the Fourth Proportional to 202,407.61, 279,347.10 and 117,524.67

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Solution

The fourth proportional to 202,407.61, 279,347.10 and 117,524.67 is: 162,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,407.61 : 279,347.10 = 117,524.67 : x
  2. Step 2: Convert to fraction form
    202,407.61/279,347.10 = 117,524.67/x
  3. Step 3: Cross multiply
    202,407.61x = 279,347.10 × 117,524.67
  4. Step 4: Simplify right side
    202,407.61x = 32,830,176,817.63
  5. Step 5: Solve for x
    x = 32,830,176,817.63/202,407.61
  6. Step 6: Final answer
    x = 162,198.33

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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.