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Finding the Fourth Proportional to 255,601.60, 352,731.66 and 148,235.32

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Solution

The fourth proportional to 255,601.60, 352,731.66 and 148,235.32 is: 204,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,601.60 : 352,731.66 = 148,235.32 : x
  2. Step 2: Convert to fraction form
    255,601.60/352,731.66 = 148,235.32/x
  3. Step 3: Cross multiply
    255,601.60x = 352,731.66 × 148,235.32
  4. Step 4: Simplify right side
    255,601.60x = 52,287,290,494.23
  5. Step 5: Solve for x
    x = 52,287,290,494.23/255,601.60
  6. Step 6: Final answer
    x = 204,565.58

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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.