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Finding the Fourth Proportional to 169,898.51, 254,878.49 and 70,003.13

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Solution

The fourth proportional to 169,898.51, 254,878.49 and 70,003.13 is: 105,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,898.51 : 254,878.49 = 70,003.13 : x
  2. Step 2: Convert to fraction form
    169,898.51/254,878.49 = 70,003.13/x
  3. Step 3: Cross multiply
    169,898.51x = 254,878.49 × 70,003.13
  4. Step 4: Simplify right side
    169,898.51x = 17,842,292,069.67
  5. Step 5: Solve for x
    x = 17,842,292,069.67/169,898.51
  6. Step 6: Final answer
    x = 105,017.36

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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.