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Finding the Fourth Proportional to 101,970.84, 152,872.02 and 45,004.17

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Solution

The fourth proportional to 101,970.84, 152,872.02 and 45,004.17 is: 67,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970.84 : 152,872.02 = 45,004.17 : x
  2. Step 2: Convert to fraction form
    101,970.84/152,872.02 = 45,004.17/x
  3. Step 3: Cross multiply
    101,970.84x = 152,872.02 × 45,004.17
  4. Step 4: Simplify right side
    101,970.84x = 6,879,878,376.32
  5. Step 5: Solve for x
    x = 6,879,878,376.32/101,970.84
  6. Step 6: Final answer
    x = 67,469.08

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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.