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Finding the Fourth Proportional to 292,275.66, 438,426.26 and 92,610.77

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Solution

The fourth proportional to 292,275.66, 438,426.26 and 92,610.77 is: 138,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,275.66 : 438,426.26 = 92,610.77 : x
  2. Step 2: Convert to fraction form
    292,275.66/438,426.26 = 92,610.77/x
  3. Step 3: Cross multiply
    292,275.66x = 438,426.26 × 92,610.77
  4. Step 4: Simplify right side
    292,275.66x = 40,602,990,871.64
  5. Step 5: Solve for x
    x = 40,602,990,871.64/292,275.66
  6. Step 6: Final answer
    x = 138,920.19

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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.