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Finding the Fourth Proportional to 114,587.70, 171,881.55 and 48,005.70

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Solution

The fourth proportional to 114,587.70, 171,881.55 and 48,005.70 is: 72,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,587.70 : 171,881.55 = 48,005.70 : x
  2. Step 2: Convert to fraction form
    114,587.70/171,881.55 = 48,005.70/x
  3. Step 3: Cross multiply
    114,587.70x = 171,881.55 × 48,005.70
  4. Step 4: Simplify right side
    114,587.70x = 8,251,294,124.84
  5. Step 5: Solve for x
    x = 8,251,294,124.84/114,587.70
  6. Step 6: Final answer
    x = 72,008.55

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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.