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Finding the Fourth Proportional to 93,602.50, 140,403.75 and 27,938.50

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Solution

The fourth proportional to 93,602.50, 140,403.75 and 27,938.50 is: 41,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,602.50 : 140,403.75 = 27,938.50 : x
  2. Step 2: Convert to fraction form
    93,602.50/140,403.75 = 27,938.50/x
  3. Step 3: Cross multiply
    93,602.50x = 140,403.75 × 27,938.50
  4. Step 4: Simplify right side
    93,602.50x = 3,922,670,169.38
  5. Step 5: Solve for x
    x = 3,922,670,169.38/93,602.50
  6. Step 6: Final answer
    x = 41,907.75

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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.