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Finding the Fourth Proportional to 107,176.52, 160,798.25 and 64,528.70

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Solution

The fourth proportional to 107,176.52, 160,798.25 and 64,528.70 is: 96,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,176.52 : 160,798.25 = 64,528.70 : x
  2. Step 2: Convert to fraction form
    107,176.52/160,798.25 = 64,528.70/x
  3. Step 3: Cross multiply
    107,176.52x = 160,798.25 × 64,528.70
  4. Step 4: Simplify right side
    107,176.52x = 10,376,102,114.13
  5. Step 5: Solve for x
    x = 10,376,102,114.13/107,176.52
  6. Step 6: Final answer
    x = 96,813.20

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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.