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Finding the Fourth Proportional to 255,590.03, 352,721.33 and 146,703.71

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Solution

The fourth proportional to 255,590.03, 352,721.33 and 146,703.71 is: 202,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,590.03 : 352,721.33 = 146,703.71 : x
  2. Step 2: Convert to fraction form
    255,590.03/352,721.33 = 146,703.71/x
  3. Step 3: Cross multiply
    255,590.03x = 352,721.33 × 146,703.71
  4. Step 4: Simplify right side
    255,590.03x = 51,745,527,246.71
  5. Step 5: Solve for x
    x = 51,745,527,246.71/255,590.03
  6. Step 6: Final answer
    x = 202,455.18

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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.