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Finding the Fourth Proportional to 201,666.84, 278,420.04 and 179,246.76

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Solution

The fourth proportional to 201,666.84, 278,420.04 and 179,246.76 is: 247,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,666.84 : 278,420.04 = 179,246.76 : x
  2. Step 2: Convert to fraction form
    201,666.84/278,420.04 = 179,246.76/x
  3. Step 3: Cross multiply
    201,666.84x = 278,420.04 × 179,246.76
  4. Step 4: Simplify right side
    201,666.84x = 49,905,890,089.07
  5. Step 5: Solve for x
    x = 49,905,890,089.07/201,666.84
  6. Step 6: Final answer
    x = 247,467.01

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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.