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Finding the Fourth Proportional to 103,622.96, 142,892.70 and 97,594.40

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Solution

The fourth proportional to 103,622.96, 142,892.70 and 97,594.40 is: 134,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.96 : 142,892.70 = 97,594.40 : x
  2. Step 2: Convert to fraction form
    103,622.96/142,892.70 = 97,594.40/x
  3. Step 3: Cross multiply
    103,622.96x = 142,892.70 × 97,594.40
  4. Step 4: Simplify right side
    103,622.96x = 13,945,527,320.88
  5. Step 5: Solve for x
    x = 13,945,527,320.88/103,622.96
  6. Step 6: Final answer
    x = 134,579.51

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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.