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Finding the Fourth Proportional to 255,225.08, 382,808.46 and 68,251.16

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Solution

The fourth proportional to 255,225.08, 382,808.46 and 68,251.16 is: 102,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,225.08 : 382,808.46 = 68,251.16 : x
  2. Step 2: Convert to fraction form
    255,225.08/382,808.46 = 68,251.16/x
  3. Step 3: Cross multiply
    255,225.08x = 382,808.46 × 68,251.16
  4. Step 4: Simplify right side
    255,225.08x = 26,127,121,452.81
  5. Step 5: Solve for x
    x = 26,127,121,452.81/255,225.08
  6. Step 6: Final answer
    x = 102,368.94

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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.