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Finding the Fourth Proportional to 93,690.68, 140,310.83 and 53,588.13

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Solution

The fourth proportional to 93,690.68, 140,310.83 and 53,588.13 is: 80,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,690.68 : 140,310.83 = 53,588.13 : x
  2. Step 2: Convert to fraction form
    93,690.68/140,310.83 = 53,588.13/x
  3. Step 3: Cross multiply
    93,690.68x = 140,310.83 × 53,588.13
  4. Step 4: Simplify right side
    93,690.68x = 7,518,994,730.51
  5. Step 5: Solve for x
    x = 7,518,994,730.51/93,690.68
  6. Step 6: Final answer
    x = 80,253.39

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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.