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Finding the Fourth Proportional to 169,182, 233,478.81 and 93,730.50

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Solution

The fourth proportional to 169,182, 233,478.81 and 93,730.50 is: 129,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,182 : 233,478.81 = 93,730.50 : x
  2. Step 2: Convert to fraction form
    169,182/233,478.81 = 93,730.50/x
  3. Step 3: Cross multiply
    169,182x = 233,478.81 × 93,730.50
  4. Step 4: Simplify right side
    169,182x = 21,884,085,600.71
  5. Step 5: Solve for x
    x = 21,884,085,600.71/169,182
  6. Step 6: Final answer
    x = 129,352.33

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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.