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Finding the Fourth Proportional to 295,144.98, 442,953.45 and 153,030.62

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Solution

The fourth proportional to 295,144.98, 442,953.45 and 153,030.62 is: 229,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,144.98 : 442,953.45 = 153,030.62 : x
  2. Step 2: Convert to fraction form
    295,144.98/442,953.45 = 153,030.62/x
  3. Step 3: Cross multiply
    295,144.98x = 442,953.45 × 153,030.62
  4. Step 4: Simplify right side
    295,144.98x = 67,785,438,869.87
  5. Step 5: Solve for x
    x = 67,785,438,869.87/295,144.98
  6. Step 6: Final answer
    x = 229,668.28

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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.