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Finding the Fourth Proportional to 107,364.08, 160,835.46 and 87,395.06

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Solution

The fourth proportional to 107,364.08, 160,835.46 and 87,395.06 is: 130,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,364.08 : 160,835.46 = 87,395.06 : x
  2. Step 2: Convert to fraction form
    107,364.08/160,835.46 = 87,395.06/x
  3. Step 3: Cross multiply
    107,364.08x = 160,835.46 × 87,395.06
  4. Step 4: Simplify right side
    107,364.08x = 14,056,224,803.51
  5. Step 5: Solve for x
    x = 14,056,224,803.51/107,364.08
  6. Step 6: Final answer
    x = 130,921.11

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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.