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Finding the Fourth Proportional to 93,619.80, 140,429.70 and 40,973.40

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Solution

The fourth proportional to 93,619.80, 140,429.70 and 40,973.40 is: 61,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,619.80 : 140,429.70 = 40,973.40 : x
  2. Step 2: Convert to fraction form
    93,619.80/140,429.70 = 40,973.40/x
  3. Step 3: Cross multiply
    93,619.80x = 140,429.70 × 40,973.40
  4. Step 4: Simplify right side
    93,619.80x = 5,753,882,269.98
  5. Step 5: Solve for x
    x = 5,753,882,269.98/93,619.80
  6. Step 6: Final answer
    x = 61,460.10

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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.