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Finding the Fourth Proportional to 114,750.30, 172,125.45 and 35,864.40

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Solution

The fourth proportional to 114,750.30, 172,125.45 and 35,864.40 is: 53,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,750.30 : 172,125.45 = 35,864.40 : x
  2. Step 2: Convert to fraction form
    114,750.30/172,125.45 = 35,864.40/x
  3. Step 3: Cross multiply
    114,750.30x = 172,125.45 × 35,864.40
  4. Step 4: Simplify right side
    114,750.30x = 6,173,175,988.98
  5. Step 5: Solve for x
    x = 6,173,175,988.98/114,750.30
  6. Step 6: Final answer
    x = 53,796.60

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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.