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Finding the Fourth Proportional to 92,045.50, 127,023.54 and 51,758.91

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Solution

The fourth proportional to 92,045.50, 127,023.54 and 51,758.91 is: 71,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,045.50 : 127,023.54 = 51,758.91 : x
  2. Step 2: Convert to fraction form
    92,045.50/127,023.54 = 51,758.91/x
  3. Step 3: Cross multiply
    92,045.50x = 127,023.54 × 51,758.91
  4. Step 4: Simplify right side
    92,045.50x = 6,574,599,974.74
  5. Step 5: Solve for x
    x = 6,574,599,974.74/92,045.50
  6. Step 6: Final answer
    x = 71,427.72

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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.