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Finding the Fourth Proportional to 255,672.04, 383,482.14 and 68,659.24

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Solution

The fourth proportional to 255,672.04, 383,482.14 and 68,659.24 is: 102,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,672.04 : 383,482.14 = 68,659.24 : x
  2. Step 2: Convert to fraction form
    255,672.04/383,482.14 = 68,659.24/x
  3. Step 3: Cross multiply
    255,672.04x = 383,482.14 × 68,659.24
  4. Step 4: Simplify right side
    255,672.04x = 26,329,592,285.97
  5. Step 5: Solve for x
    x = 26,329,592,285.97/255,672.04
  6. Step 6: Final answer
    x = 102,981.90

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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.