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Finding the Fourth Proportional to 93,655.20, 140,482.80 and 82,829.55

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Solution

The fourth proportional to 93,655.20, 140,482.80 and 82,829.55 is: 124,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,655.20 : 140,482.80 = 82,829.55 : x
  2. Step 2: Convert to fraction form
    93,655.20/140,482.80 = 82,829.55/x
  3. Step 3: Cross multiply
    93,655.20x = 140,482.80 × 82,829.55
  4. Step 4: Simplify right side
    93,655.20x = 11,636,127,106.74
  5. Step 5: Solve for x
    x = 11,636,127,106.74/93,655.20
  6. Step 6: Final answer
    x = 124,244.33

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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.