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Finding the Fourth Proportional to 114,558.34, 171,848.67 and 42,530.62

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Solution

The fourth proportional to 114,558.34, 171,848.67 and 42,530.62 is: 63,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,558.34 : 171,848.67 = 42,530.62 : x
  2. Step 2: Convert to fraction form
    114,558.34/171,848.67 = 42,530.62/x
  3. Step 3: Cross multiply
    114,558.34x = 171,848.67 × 42,530.62
  4. Step 4: Simplify right side
    114,558.34x = 7,308,830,481.28
  5. Step 5: Solve for x
    x = 7,308,830,481.28/114,558.34
  6. Step 6: Final answer
    x = 63,800.07

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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.