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Finding the Fourth Proportional to 262,004.58, 393,089.88 and 93,521.16

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Solution

The fourth proportional to 262,004.58, 393,089.88 and 93,521.16 is: 140,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,004.58 : 393,089.88 = 93,521.16 : x
  2. Step 2: Convert to fraction form
    262,004.58/393,089.88 = 93,521.16/x
  3. Step 3: Cross multiply
    262,004.58x = 393,089.88 × 93,521.16
  4. Step 4: Simplify right side
    262,004.58x = 36,762,221,561.86
  5. Step 5: Solve for x
    x = 36,762,221,561.86/262,004.58
  6. Step 6: Final answer
    x = 140,311.37

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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.