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Finding the Fourth Proportional to 106,999.64, 147,657.54 and 59,252.84

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Solution

The fourth proportional to 106,999.64, 147,657.54 and 59,252.84 is: 81,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,999.64 : 147,657.54 = 59,252.84 : x
  2. Step 2: Convert to fraction form
    106,999.64/147,657.54 = 59,252.84/x
  3. Step 3: Cross multiply
    106,999.64x = 147,657.54 × 59,252.84
  4. Step 4: Simplify right side
    106,999.64x = 8,749,128,592.41
  5. Step 5: Solve for x
    x = 8,749,128,592.41/106,999.64
  6. Step 6: Final answer
    x = 81,767.83

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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.