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Finding the Fourth Proportional to 169,573.71, 234,014.64 and 93,099.93

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Solution

The fourth proportional to 169,573.71, 234,014.64 and 93,099.93 is: 128,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,573.71 : 234,014.64 = 93,099.93 : x
  2. Step 2: Convert to fraction form
    169,573.71/234,014.64 = 93,099.93/x
  3. Step 3: Cross multiply
    169,573.71x = 234,014.64 × 93,099.93
  4. Step 4: Simplify right side
    169,573.71x = 21,786,746,602.98
  5. Step 5: Solve for x
    x = 21,786,746,602.98/169,573.71
  6. Step 6: Final answer
    x = 128,479.51

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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.