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Finding the Fourth Proportional to 169,983.84, 255,006.24 and 70,088.48

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Solution

The fourth proportional to 169,983.84, 255,006.24 and 70,088.48 is: 105,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,983.84 : 255,006.24 = 70,088.48 : x
  2. Step 2: Convert to fraction form
    169,983.84/255,006.24 = 70,088.48/x
  3. Step 3: Cross multiply
    169,983.84x = 255,006.24 × 70,088.48
  4. Step 4: Simplify right side
    169,983.84x = 17,872,999,752.12
  5. Step 5: Solve for x
    x = 17,872,999,752.12/169,983.84
  6. Step 6: Final answer
    x = 105,145.29

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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.