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Finding the Fourth Proportional to 93,706.38, 140,559.45 and 30,526.40

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Solution

The fourth proportional to 93,706.38, 140,559.45 and 30,526.40 is: 45,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,706.38 : 140,559.45 = 30,526.40 : x
  2. Step 2: Convert to fraction form
    93,706.38/140,559.45 = 30,526.40/x
  3. Step 3: Cross multiply
    93,706.38x = 140,559.45 × 30,526.40
  4. Step 4: Simplify right side
    93,706.38x = 4,290,773,215.37
  5. Step 5: Solve for x
    x = 4,290,773,215.37/93,706.38
  6. Step 6: Final answer
    x = 45,789.55

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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.