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Finding the Fourth Proportional to 292,062, 403,089.30 and 178,950.36

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Solution

The fourth proportional to 292,062, 403,089.30 and 178,950.36 is: 246,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,062 : 403,089.30 = 178,950.36 : x
  2. Step 2: Convert to fraction form
    292,062/403,089.30 = 178,950.36/x
  3. Step 3: Cross multiply
    292,062x = 403,089.30 × 178,950.36
  4. Step 4: Simplify right side
    292,062x = 72,132,975,347.15
  5. Step 5: Solve for x
    x = 72,132,975,347.15/292,062
  6. Step 6: Final answer
    x = 246,978.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.