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Finding the Fourth Proportional to 262,064.08, 393,116.64 and 93,620.80

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Solution

The fourth proportional to 262,064.08, 393,116.64 and 93,620.80 is: 140,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,064.08 : 393,116.64 = 93,620.80 : x
  2. Step 2: Convert to fraction form
    262,064.08/393,116.64 = 93,620.80/x
  3. Step 3: Cross multiply
    262,064.08x = 393,116.64 × 93,620.80
  4. Step 4: Simplify right side
    262,064.08x = 36,803,894,330.11
  5. Step 5: Solve for x
    x = 36,803,894,330.11/262,064.08
  6. Step 6: Final answer
    x = 140,438.53

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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.