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Finding the Fourth Proportional to 163,768.74, 245,259.45 and 93,434.82

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Solution

The fourth proportional to 163,768.74, 245,259.45 and 93,434.82 is: 139,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,768.74 : 245,259.45 = 93,434.82 : x
  2. Step 2: Convert to fraction form
    163,768.74/245,259.45 = 93,434.82/x
  3. Step 3: Cross multiply
    163,768.74x = 245,259.45 × 93,434.82
  4. Step 4: Simplify right side
    163,768.74x = 22,915,772,564.05
  5. Step 5: Solve for x
    x = 22,915,772,564.05/163,768.74
  6. Step 6: Final answer
    x = 139,927.64

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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.