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Finding the Fourth Proportional to 103,354.01, 142,619.81 and 62,533.34

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Solution

The fourth proportional to 103,354.01, 142,619.81 and 62,533.34 is: 86,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,354.01 : 142,619.81 = 62,533.34 : x
  2. Step 2: Convert to fraction form
    103,354.01/142,619.81 = 62,533.34/x
  3. Step 3: Cross multiply
    103,354.01x = 142,619.81 × 62,533.34
  4. Step 4: Simplify right side
    103,354.01x = 8,918,492,043.70
  5. Step 5: Solve for x
    x = 8,918,492,043.70/103,354.01
  6. Step 6: Final answer
    x = 86,290.73

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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.