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Finding the Fourth Proportional to 101,615.99, 152,476.02 and 48,368.21

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Solution

The fourth proportional to 101,615.99, 152,476.02 and 48,368.21 is: 72,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,615.99 : 152,476.02 = 48,368.21 : x
  2. Step 2: Convert to fraction form
    101,615.99/152,476.02 = 48,368.21/x
  3. Step 3: Cross multiply
    101,615.99x = 152,476.02 × 48,368.21
  4. Step 4: Simplify right side
    101,615.99x = 7,374,991,392.94
  5. Step 5: Solve for x
    x = 7,374,991,392.94/101,615.99
  6. Step 6: Final answer
    x = 72,577.08

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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.