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Finding the Fourth Proportional to 186,221.34, 279,358.27 and 59,819.20

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Solution

The fourth proportional to 186,221.34, 279,358.27 and 59,819.20 is: 89,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,221.34 : 279,358.27 = 59,819.20 : x
  2. Step 2: Convert to fraction form
    186,221.34/279,358.27 = 59,819.20/x
  3. Step 3: Cross multiply
    186,221.34x = 279,358.27 × 59,819.20
  4. Step 4: Simplify right side
    186,221.34x = 16,710,987,376.84
  5. Step 5: Solve for x
    x = 16,710,987,376.84/186,221.34
  6. Step 6: Final answer
    x = 89,737.23

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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.