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Finding the Fourth Proportional to 292,172.42, 438,259.89 and 92,493.77

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Solution

The fourth proportional to 292,172.42, 438,259.89 and 92,493.77 is: 138,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,172.42 : 438,259.89 = 92,493.77 : x
  2. Step 2: Convert to fraction form
    292,172.42/438,259.89 = 92,493.77/x
  3. Step 3: Cross multiply
    292,172.42x = 438,259.89 × 92,493.77
  4. Step 4: Simplify right side
    292,172.42x = 40,536,309,465.89
  5. Step 5: Solve for x
    x = 40,536,309,465.89/292,172.42
  6. Step 6: Final answer
    x = 138,741.05

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1.5x scale

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.