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Finding the Fourth Proportional to 356,740.68, 535,140.14 and 179,156.36

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Solution

The fourth proportional to 356,740.68, 535,140.14 and 179,156.36 is: 268,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,740.68 : 535,140.14 = 179,156.36 : x
  2. Step 2: Convert to fraction form
    356,740.68/535,140.14 = 179,156.36/x
  3. Step 3: Cross multiply
    356,740.68x = 535,140.14 × 179,156.36
  4. Step 4: Simplify right side
    356,740.68x = 95,873,759,572.29
  5. Step 5: Solve for x
    x = 95,873,759,572.29/356,740.68
  6. Step 6: Final answer
    x = 268,749.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.