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Finding the Fourth Proportional to 103,757.36, 143,185.74 and 59,045.36

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Solution

The fourth proportional to 103,757.36, 143,185.74 and 59,045.36 is: 81,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,757.36 : 143,185.74 = 59,045.36 : x
  2. Step 2: Convert to fraction form
    103,757.36/143,185.74 = 59,045.36/x
  3. Step 3: Cross multiply
    103,757.36x = 143,185.74 × 59,045.36
  4. Step 4: Simplify right side
    103,757.36x = 8,454,453,565.17
  5. Step 5: Solve for x
    x = 8,454,453,565.17/103,757.36
  6. Step 6: Final answer
    x = 81,482.93

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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.