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Finding the Fourth Proportional to 92,773.32, 128,027.16 and 52,486.26

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Solution

The fourth proportional to 92,773.32, 128,027.16 and 52,486.26 is: 72,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,773.32 : 128,027.16 = 52,486.26 : x
  2. Step 2: Convert to fraction form
    92,773.32/128,027.16 = 52,486.26/x
  3. Step 3: Cross multiply
    92,773.32x = 128,027.16 × 52,486.26
  4. Step 4: Simplify right side
    92,773.32x = 6,719,666,806.82
  5. Step 5: Solve for x
    x = 6,719,666,806.82/92,773.32
  6. Step 6: Final answer
    x = 72,431.03

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1.5x scale

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.