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Finding the Fourth Proportional to 186,692.72, 280,088.28 and 97,922.39

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Solution

The fourth proportional to 186,692.72, 280,088.28 and 97,922.39 is: 146,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,692.72 : 280,088.28 = 97,922.39 : x
  2. Step 2: Convert to fraction form
    186,692.72/280,088.28 = 97,922.39/x
  3. Step 3: Cross multiply
    186,692.72x = 280,088.28 × 97,922.39
  4. Step 4: Simplify right side
    186,692.72x = 27,426,912,388.15
  5. Step 5: Solve for x
    x = 27,426,912,388.15/186,692.72
  6. Step 6: Final answer
    x = 146,909.39

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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.