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Finding the Fourth Proportional to 263,670.95, 363,888.29 and 148,970.68

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Solution

The fourth proportional to 263,670.95, 363,888.29 and 148,970.68 is: 205,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,670.95 : 363,888.29 = 148,970.68 : x
  2. Step 2: Convert to fraction form
    263,670.95/363,888.29 = 148,970.68/x
  3. Step 3: Cross multiply
    263,670.95x = 363,888.29 × 148,970.68
  4. Step 4: Simplify right side
    263,670.95x = 54,208,685,468.04
  5. Step 5: Solve for x
    x = 54,208,685,468.04/263,670.95
  6. Step 6: Final answer
    x = 205,592.18

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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.