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Finding the Fourth Proportional to 169,017.50, 233,228.16 and 101,020.84

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Solution

The fourth proportional to 169,017.50, 233,228.16 and 101,020.84 is: 139,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,017.50 : 233,228.16 = 101,020.84 : x
  2. Step 2: Convert to fraction form
    169,017.50/233,228.16 = 101,020.84/x
  3. Step 3: Cross multiply
    169,017.50x = 233,228.16 × 101,020.84
  4. Step 4: Simplify right side
    169,017.50x = 23,560,904,051.78
  5. Step 5: Solve for x
    x = 23,560,904,051.78/169,017.50
  6. Step 6: Final answer
    x = 139,399.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.