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Finding the Fourth Proportional to 163,859.62, 245,802.77 and 45,530.97

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Solution

The fourth proportional to 163,859.62, 245,802.77 and 45,530.97 is: 68,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,859.62 : 245,802.77 = 45,530.97 : x
  2. Step 2: Convert to fraction form
    163,859.62/245,802.77 = 45,530.97/x
  3. Step 3: Cross multiply
    163,859.62x = 245,802.77 × 45,530.97
  4. Step 4: Simplify right side
    163,859.62x = 11,191,639,411.63
  5. Step 5: Solve for x
    x = 11,191,639,411.63/163,859.62
  6. Step 6: Final answer
    x = 68,300.17

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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.