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Finding the Fourth Proportional to 71,460.84, 98,559.06 and 45,970.14

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Solution

The fourth proportional to 71,460.84, 98,559.06 and 45,970.14 is: 63,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,460.84 : 98,559.06 = 45,970.14 : x
  2. Step 2: Convert to fraction form
    71,460.84/98,559.06 = 45,970.14/x
  3. Step 3: Cross multiply
    71,460.84x = 98,559.06 × 45,970.14
  4. Step 4: Simplify right side
    71,460.84x = 4,530,773,786.47
  5. Step 5: Solve for x
    x = 4,530,773,786.47/71,460.84
  6. Step 6: Final answer
    x = 63,402.19

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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.