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Finding the Fourth Proportional to 262,253.48, 393,283.76 and 93,728.25

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Solution

The fourth proportional to 262,253.48, 393,283.76 and 93,728.25 is: 140,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,253.48 : 393,283.76 = 93,728.25 : x
  2. Step 2: Convert to fraction form
    262,253.48/393,283.76 = 93,728.25/x
  3. Step 3: Cross multiply
    262,253.48x = 393,283.76 × 93,728.25
  4. Step 4: Simplify right side
    262,253.48x = 36,861,798,109.58
  5. Step 5: Solve for x
    x = 36,861,798,109.58/262,253.48
  6. Step 6: Final answer
    x = 140,557.90

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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.