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Finding the Fourth Proportional to 86,166.76, 118,766.82 and 59,263.72

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Solution

The fourth proportional to 86,166.76, 118,766.82 and 59,263.72 is: 81,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,166.76 : 118,766.82 = 59,263.72 : x
  2. Step 2: Convert to fraction form
    86,166.76/118,766.82 = 59,263.72/x
  3. Step 3: Cross multiply
    86,166.76x = 118,766.82 × 59,263.72
  4. Step 4: Simplify right side
    86,166.76x = 7,038,563,565.77
  5. Step 5: Solve for x
    x = 7,038,563,565.77/86,166.76
  6. Step 6: Final answer
    x = 81,685.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.