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Finding the Fourth Proportional to 76,344.76, 114,206.10 and 63,903.16

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Solution

The fourth proportional to 76,344.76, 114,206.10 and 63,903.16 is: 95,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,344.76 : 114,206.10 = 63,903.16 : x
  2. Step 2: Convert to fraction form
    76,344.76/114,206.10 = 63,903.16/x
  3. Step 3: Cross multiply
    76,344.76x = 114,206.10 × 63,903.16
  4. Step 4: Simplify right side
    76,344.76x = 7,298,130,681.28
  5. Step 5: Solve for x
    x = 7,298,130,681.28/76,344.76
  6. Step 6: Final answer
    x = 95,594.39

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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.