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Finding the Fourth Proportional to 255,748.73, 352,925.53 and 141,027.32

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Solution

The fourth proportional to 255,748.73, 352,925.53 and 141,027.32 is: 194,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,748.73 : 352,925.53 = 141,027.32 : x
  2. Step 2: Convert to fraction form
    255,748.73/352,925.53 = 141,027.32/x
  3. Step 3: Cross multiply
    255,748.73x = 352,925.53 × 141,027.32
  4. Step 4: Simplify right side
    255,748.73x = 49,772,142,185.23
  5. Step 5: Solve for x
    x = 49,772,142,185.23/255,748.73
  6. Step 6: Final answer
    x = 194,613.45

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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.