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Finding the Fourth Proportional to 118,565.51, 177,848.26 and 48,444.75

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Solution

The fourth proportional to 118,565.51, 177,848.26 and 48,444.75 is: 72,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.51 : 177,848.26 = 48,444.75 : x
  2. Step 2: Convert to fraction form
    118,565.51/177,848.26 = 48,444.75/x
  3. Step 3: Cross multiply
    118,565.51x = 177,848.26 × 48,444.75
  4. Step 4: Simplify right side
    118,565.51x = 8,615,814,372.52
  5. Step 5: Solve for x
    x = 8,615,814,372.52/118,565.51
  6. Step 6: Final answer
    x = 72,667.13

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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.