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Finding the Fourth Proportional to 94,970.70, 142,414.47 and 45,065.01

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Solution

The fourth proportional to 94,970.70, 142,414.47 and 45,065.01 is: 67,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,970.70 : 142,414.47 = 45,065.01 : x
  2. Step 2: Convert to fraction form
    94,970.70/142,414.47 = 45,065.01/x
  3. Step 3: Cross multiply
    94,970.70x = 142,414.47 × 45,065.01
  4. Step 4: Simplify right side
    94,970.70x = 6,417,909,514.69
  5. Step 5: Solve for x
    x = 6,417,909,514.69/94,970.70
  6. Step 6: Final answer
    x = 67,577.78

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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.