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Finding the Fourth Proportional to 127,602.87, 191,263.35 and 52,681.71

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Solution

The fourth proportional to 127,602.87, 191,263.35 and 52,681.71 is: 78,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,602.87 : 191,263.35 = 52,681.71 : x
  2. Step 2: Convert to fraction form
    127,602.87/191,263.35 = 52,681.71/x
  3. Step 3: Cross multiply
    127,602.87x = 191,263.35 × 52,681.71
  4. Step 4: Simplify right side
    127,602.87x = 10,076,080,338.33
  5. Step 5: Solve for x
    x = 10,076,080,338.33/127,602.87
  6. Step 6: Final answer
    x = 78,964.37

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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.