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Finding the Fourth Proportional to 103,958.30, 155,937.45 and 93,460.70

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Solution

The fourth proportional to 103,958.30, 155,937.45 and 93,460.70 is: 140,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958.30 : 155,937.45 = 93,460.70 : x
  2. Step 2: Convert to fraction form
    103,958.30/155,937.45 = 93,460.70/x
  3. Step 3: Cross multiply
    103,958.30x = 155,937.45 × 93,460.70
  4. Step 4: Simplify right side
    103,958.30x = 14,574,023,233.22
  5. Step 5: Solve for x
    x = 14,574,023,233.22/103,958.30
  6. Step 6: Final answer
    x = 140,191.05

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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.