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Finding the Fourth Proportional to 92,548, 127,706.48 and 52,259.28

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Solution

The fourth proportional to 92,548, 127,706.48 and 52,259.28 is: 72,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,548 : 127,706.48 = 52,259.28 : x
  2. Step 2: Convert to fraction form
    92,548/127,706.48 = 52,259.28/x
  3. Step 3: Cross multiply
    92,548x = 127,706.48 × 52,259.28
  4. Step 4: Simplify right side
    92,548x = 6,673,848,696.13
  5. Step 5: Solve for x
    x = 6,673,848,696.13/92,548
  6. Step 6: Final answer
    x = 72,112.30

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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.