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Finding the Fourth Proportional to 92,570.09, 138,826.71 and 39,261.11

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Solution

The fourth proportional to 92,570.09, 138,826.71 and 39,261.11 is: 58,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,570.09 : 138,826.71 = 39,261.11 : x
  2. Step 2: Convert to fraction form
    92,570.09/138,826.71 = 39,261.11/x
  3. Step 3: Cross multiply
    92,570.09x = 138,826.71 × 39,261.11
  4. Step 4: Simplify right side
    92,570.09x = 5,450,490,038.11
  5. Step 5: Solve for x
    x = 5,450,490,038.11/92,570.09
  6. Step 6: Final answer
    x = 58,879.60

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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.