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Finding the Fourth Proportional to 292,589.51, 438,899.45 and 92,925.52

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Solution

The fourth proportional to 292,589.51, 438,899.45 and 92,925.52 is: 139,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,589.51 : 438,899.45 = 92,925.52 : x
  2. Step 2: Convert to fraction form
    292,589.51/438,899.45 = 92,925.52/x
  3. Step 3: Cross multiply
    292,589.51x = 438,899.45 × 92,925.52
  4. Step 4: Simplify right side
    292,589.51x = 40,784,958,057.09
  5. Step 5: Solve for x
    x = 40,784,958,057.09/292,589.51
  6. Step 6: Final answer
    x = 139,393.10

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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.