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Finding the Fourth Proportional to 115,088.33, 158,815.62 and 63,395.30

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Solution

The fourth proportional to 115,088.33, 158,815.62 and 63,395.30 is: 87,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,088.33 : 158,815.62 = 63,395.30 : x
  2. Step 2: Convert to fraction form
    115,088.33/158,815.62 = 63,395.30/x
  3. Step 3: Cross multiply
    115,088.33x = 158,815.62 × 63,395.30
  4. Step 4: Simplify right side
    115,088.33x = 10,068,164,271.63
  5. Step 5: Solve for x
    x = 10,068,164,271.63/115,088.33
  6. Step 6: Final answer
    x = 87,482.06

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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.