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Finding the Fourth Proportional to 255,678.96, 352,559.88 and 174,060

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Solution

The fourth proportional to 255,678.96, 352,559.88 and 174,060 is: 240,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,678.96 : 352,559.88 = 174,060 : x
  2. Step 2: Convert to fraction form
    255,678.96/352,559.88 = 174,060/x
  3. Step 3: Cross multiply
    255,678.96x = 352,559.88 × 174,060
  4. Step 4: Simplify right side
    255,678.96x = 61,366,572,712.80
  5. Step 5: Solve for x
    x = 61,366,572,712.80/255,678.96
  6. Step 6: Final answer
    x = 240,014.17

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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.