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Finding the Fourth Proportional to 294,710.90, 442,066.35 and 95,037.80

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Solution

The fourth proportional to 294,710.90, 442,066.35 and 95,037.80 is: 142,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,710.90 : 442,066.35 = 95,037.80 : x
  2. Step 2: Convert to fraction form
    294,710.90/442,066.35 = 95,037.80/x
  3. Step 3: Cross multiply
    294,710.90x = 442,066.35 × 95,037.80
  4. Step 4: Simplify right side
    294,710.90x = 42,013,013,358.03
  5. Step 5: Solve for x
    x = 42,013,013,358.03/294,710.90
  6. Step 6: Final answer
    x = 142,556.70

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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.