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Finding the Fourth Proportional to 106,860.48, 160,237.60 and 56,927.20

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Solution

The fourth proportional to 106,860.48, 160,237.60 and 56,927.20 is: 85,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.48 : 160,237.60 = 56,927.20 : x
  2. Step 2: Convert to fraction form
    106,860.48/160,237.60 = 56,927.20/x
  3. Step 3: Cross multiply
    106,860.48x = 160,237.60 × 56,927.20
  4. Step 4: Simplify right side
    106,860.48x = 9,121,877,902.72
  5. Step 5: Solve for x
    x = 9,121,877,902.72/106,860.48
  6. Step 6: Final answer
    x = 85,362.50

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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.