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Finding the Fourth Proportional to 92,514.51, 127,673.12 and 56,697.60

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Solution

The fourth proportional to 92,514.51, 127,673.12 and 56,697.60 is: 78,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,514.51 : 127,673.12 = 56,697.60 : x
  2. Step 2: Convert to fraction form
    92,514.51/127,673.12 = 56,697.60/x
  3. Step 3: Cross multiply
    92,514.51x = 127,673.12 × 56,697.60
  4. Step 4: Simplify right side
    92,514.51x = 7,238,759,205.02
  5. Step 5: Solve for x
    x = 7,238,759,205.02/92,514.51
  6. Step 6: Final answer
    x = 78,244.58

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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.