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Finding the Fourth Proportional to 92,339.80, 127,430.42 and 52,055.56

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Solution

The fourth proportional to 92,339.80, 127,430.42 and 52,055.56 is: 71,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,339.80 : 127,430.42 = 52,055.56 : x
  2. Step 2: Convert to fraction form
    92,339.80/127,430.42 = 52,055.56/x
  3. Step 3: Cross multiply
    92,339.80x = 127,430.42 × 52,055.56
  4. Step 4: Simplify right side
    92,339.80x = 6,633,461,773.15
  5. Step 5: Solve for x
    x = 6,633,461,773.15/92,339.80
  6. Step 6: Final answer
    x = 71,837.52

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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.