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Finding the Fourth Proportional to 107,099.04, 147,797.04 and 64,657.92

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Solution

The fourth proportional to 107,099.04, 147,797.04 and 64,657.92 is: 89,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,099.04 : 147,797.04 = 64,657.92 : x
  2. Step 2: Convert to fraction form
    107,099.04/147,797.04 = 64,657.92/x
  3. Step 3: Cross multiply
    107,099.04x = 147,797.04 × 64,657.92
  4. Step 4: Simplify right side
    107,099.04x = 9,556,249,188.56
  5. Step 5: Solve for x
    x = 9,556,249,188.56/107,099.04
  6. Step 6: Final answer
    x = 89,228.15

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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.