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Finding the Fourth Proportional to 174,897.78, 262,354.87 and 56,578.35

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Solution

The fourth proportional to 174,897.78, 262,354.87 and 56,578.35 is: 84,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,897.78 : 262,354.87 = 56,578.35 : x
  2. Step 2: Convert to fraction form
    174,897.78/262,354.87 = 56,578.35/x
  3. Step 3: Cross multiply
    174,897.78x = 262,354.87 × 56,578.35
  4. Step 4: Simplify right side
    174,897.78x = 14,843,605,397.00
  5. Step 5: Solve for x
    x = 14,843,605,397.00/174,897.78
  6. Step 6: Final answer
    x = 84,870.18

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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.