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Finding the Fourth Proportional to 255,445.08, 383,190.68 and 97,674.88

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Solution

The fourth proportional to 255,445.08, 383,190.68 and 97,674.88 is: 146,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,445.08 : 383,190.68 = 97,674.88 : x
  2. Step 2: Convert to fraction form
    255,445.08/383,190.68 = 97,674.88/x
  3. Step 3: Cross multiply
    255,445.08x = 383,190.68 × 97,674.88
  4. Step 4: Simplify right side
    255,445.08x = 37,428,103,686.12
  5. Step 5: Solve for x
    x = 37,428,103,686.12/255,445.08
  6. Step 6: Final answer
    x = 146,521.14

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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.