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Finding the Fourth Proportional to 92,144.72, 127,159.59 and 51,858.77

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Solution

The fourth proportional to 92,144.72, 127,159.59 and 51,858.77 is: 71,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.72 : 127,159.59 = 51,858.77 : x
  2. Step 2: Convert to fraction form
    92,144.72/127,159.59 = 51,858.77/x
  3. Step 3: Cross multiply
    92,144.72x = 127,159.59 × 51,858.77
  4. Step 4: Simplify right side
    92,144.72x = 6,594,339,931.10
  5. Step 5: Solve for x
    x = 6,594,339,931.10/92,144.72
  6. Step 6: Final answer
    x = 71,565.03

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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.