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Finding the Fourth Proportional to 93,479.60, 129,002.28 and 51,039.14

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Solution

The fourth proportional to 93,479.60, 129,002.28 and 51,039.14 is: 70,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,479.60 : 129,002.28 = 51,039.14 : x
  2. Step 2: Convert to fraction form
    93,479.60/129,002.28 = 51,039.14/x
  3. Step 3: Cross multiply
    93,479.60x = 129,002.28 × 51,039.14
  4. Step 4: Simplify right side
    93,479.60x = 6,584,165,429.24
  5. Step 5: Solve for x
    x = 6,584,165,429.24/93,479.60
  6. Step 6: Final answer
    x = 70,434.25

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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.