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Finding the Fourth Proportional to 94,919.65, 130,988.54 and 52,477.88

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Solution

The fourth proportional to 94,919.65, 130,988.54 and 52,477.88 is: 72,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,919.65 : 130,988.54 = 52,477.88 : x
  2. Step 2: Convert to fraction form
    94,919.65/130,988.54 = 52,477.88/x
  3. Step 3: Cross multiply
    94,919.65x = 130,988.54 × 52,477.88
  4. Step 4: Simplify right side
    94,919.65x = 6,874,000,359.75
  5. Step 5: Solve for x
    x = 6,874,000,359.75/94,919.65
  6. Step 6: Final answer
    x = 72,419.15

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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.