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Finding the Fourth Proportional to 292,095.69, 437,966.73 and 142,185.96

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Solution

The fourth proportional to 292,095.69, 437,966.73 and 142,185.96 is: 213,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,095.69 : 437,966.73 = 142,185.96 : x
  2. Step 2: Convert to fraction form
    292,095.69/437,966.73 = 142,185.96/x
  3. Step 3: Cross multiply
    292,095.69x = 437,966.73 × 142,185.96
  4. Step 4: Simplify right side
    292,095.69x = 62,272,719,953.11
  5. Step 5: Solve for x
    x = 62,272,719,953.11/292,095.69
  6. Step 6: Final answer
    x = 213,192.88

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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.