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Finding the Fourth Proportional to 255,506.79, 352,521.32 and 148,056.06

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Solution

The fourth proportional to 255,506.79, 352,521.32 and 148,056.06 is: 204,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,506.79 : 352,521.32 = 148,056.06 : x
  2. Step 2: Convert to fraction form
    255,506.79/352,521.32 = 148,056.06/x
  3. Step 3: Cross multiply
    255,506.79x = 352,521.32 × 148,056.06
  4. Step 4: Simplify right side
    255,506.79x = 52,192,917,705.20
  5. Step 5: Solve for x
    x = 52,192,917,705.20/255,506.79
  6. Step 6: Final answer
    x = 204,272.14

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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.