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Finding the Fourth Proportional to 95,903.71, 143,897.05 and 51,478.60

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Solution

The fourth proportional to 95,903.71, 143,897.05 and 51,478.60 is: 77,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,903.71 : 143,897.05 = 51,478.60 : x
  2. Step 2: Convert to fraction form
    95,903.71/143,897.05 = 51,478.60/x
  3. Step 3: Cross multiply
    95,903.71x = 143,897.05 × 51,478.60
  4. Step 4: Simplify right side
    95,903.71x = 7,407,618,678.13
  5. Step 5: Solve for x
    x = 7,407,618,678.13/95,903.71
  6. Step 6: Final answer
    x = 77,240.17

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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.