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Finding the Fourth Proportional to 107,108.96, 147,806.64 and 59,366.75

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Solution

The fourth proportional to 107,108.96, 147,806.64 and 59,366.75 is: 81,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,108.96 : 147,806.64 = 59,366.75 : x
  2. Step 2: Convert to fraction form
    107,108.96/147,806.64 = 59,366.75/x
  3. Step 3: Cross multiply
    107,108.96x = 147,806.64 × 59,366.75
  4. Step 4: Simplify right side
    107,108.96x = 8,774,799,106.19
  5. Step 5: Solve for x
    x = 8,774,799,106.19/107,108.96
  6. Step 6: Final answer
    x = 81,924.05

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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.