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Finding the Fourth Proportional to 255,321.16, 352,316.46 and 147,925.96

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Solution

The fourth proportional to 255,321.16, 352,316.46 and 147,925.96 is: 204,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,321.16 : 352,316.46 = 147,925.96 : x
  2. Step 2: Convert to fraction form
    255,321.16/352,316.46 = 147,925.96/x
  3. Step 3: Cross multiply
    255,321.16x = 352,316.46 × 147,925.96
  4. Step 4: Simplify right side
    255,321.16x = 52,116,750,569.30
  5. Step 5: Solve for x
    x = 52,116,750,569.30/255,321.16
  6. Step 6: Final answer
    x = 204,122.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.