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Finding the Fourth Proportional to 107,111.80, 159,710.08 and 104,169.16

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Solution

The fourth proportional to 107,111.80, 159,710.08 and 104,169.16 is: 155,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,111.80 : 159,710.08 = 104,169.16 : x
  2. Step 2: Convert to fraction form
    107,111.80/159,710.08 = 104,169.16/x
  3. Step 3: Cross multiply
    107,111.80x = 159,710.08 × 104,169.16
  4. Step 4: Simplify right side
    107,111.80x = 16,636,864,877.13
  5. Step 5: Solve for x
    x = 16,636,864,877.13/107,111.80
  6. Step 6: Final answer
    x = 155,322.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.