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Finding the Fourth Proportional to 163,796.62, 245,706.14 and 55,681.98

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Solution

The fourth proportional to 163,796.62, 245,706.14 and 55,681.98 is: 83,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,796.62 : 245,706.14 = 55,681.98 : x
  2. Step 2: Convert to fraction form
    163,796.62/245,706.14 = 55,681.98/x
  3. Step 3: Cross multiply
    163,796.62x = 245,706.14 × 55,681.98
  4. Step 4: Simplify right side
    163,796.62x = 13,681,404,373.36
  5. Step 5: Solve for x
    x = 13,681,404,373.36/163,796.62
  6. Step 6: Final answer
    x = 83,526.78

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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.