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Finding the Fourth Proportional to 147,686.44, 221,505.88 and 52,899.08

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Solution

The fourth proportional to 147,686.44, 221,505.88 and 52,899.08 is: 79,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,686.44 : 221,505.88 = 52,899.08 : x
  2. Step 2: Convert to fraction form
    147,686.44/221,505.88 = 52,899.08/x
  3. Step 3: Cross multiply
    147,686.44x = 221,505.88 × 52,899.08
  4. Step 4: Simplify right side
    147,686.44x = 11,717,457,266.59
  5. Step 5: Solve for x
    x = 11,717,457,266.59/147,686.44
  6. Step 6: Final answer
    x = 79,340.10

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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.