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Finding the Fourth Proportional to 285,799.04, 428,675.52 and 117,271.52

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Solution

The fourth proportional to 285,799.04, 428,675.52 and 117,271.52 is: 175,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,799.04 : 428,675.52 = 117,271.52 : x
  2. Step 2: Convert to fraction form
    285,799.04/428,675.52 = 117,271.52/x
  3. Step 3: Cross multiply
    285,799.04x = 428,675.52 × 117,271.52
  4. Step 4: Simplify right side
    285,799.04x = 50,271,429,817.19
  5. Step 5: Solve for x
    x = 50,271,429,817.19/285,799.04
  6. Step 6: Final answer
    x = 175,897.83

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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.