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Finding the Fourth Proportional to 127,468.60, 191,030.67 and 48,539.77

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Solution

The fourth proportional to 127,468.60, 191,030.67 and 48,539.77 is: 72,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,468.60 : 191,030.67 = 48,539.77 : x
  2. Step 2: Convert to fraction form
    127,468.60/191,030.67 = 48,539.77/x
  3. Step 3: Cross multiply
    127,468.60x = 191,030.67 × 48,539.77
  4. Step 4: Simplify right side
    127,468.60x = 9,272,584,784.75
  5. Step 5: Solve for x
    x = 9,272,584,784.75/127,468.60
  6. Step 6: Final answer
    x = 72,744.07

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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.