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Finding the Fourth Proportional to 295,270.30, 442,948.65 and 95,556.70

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Solution

The fourth proportional to 295,270.30, 442,948.65 and 95,556.70 is: 143,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,270.30 : 442,948.65 = 95,556.70 : x
  2. Step 2: Convert to fraction form
    295,270.30/442,948.65 = 95,556.70/x
  3. Step 3: Cross multiply
    295,270.30x = 442,948.65 × 95,556.70
  4. Step 4: Simplify right side
    295,270.30x = 42,326,711,263.46
  5. Step 5: Solve for x
    x = 42,326,711,263.46/295,270.30
  6. Step 6: Final answer
    x = 143,349.03

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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.