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Finding the Fourth Proportional to 255,646.34, 352,793.13 and 148,279.94

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Solution

The fourth proportional to 255,646.34, 352,793.13 and 148,279.94 is: 204,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,646.34 : 352,793.13 = 148,279.94 : x
  2. Step 2: Convert to fraction form
    255,646.34/352,793.13 = 148,279.94/x
  3. Step 3: Cross multiply
    255,646.34x = 352,793.13 × 148,279.94
  4. Step 4: Simplify right side
    255,646.34x = 52,312,144,148.81
  5. Step 5: Solve for x
    x = 52,312,144,148.81/255,646.34
  6. Step 6: Final answer
    x = 204,627.00

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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.