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Finding the Fourth Proportional to 94,781.95, 130,795.56 and 52,339.57

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Solution

The fourth proportional to 94,781.95, 130,795.56 and 52,339.57 is: 72,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,781.95 : 130,795.56 = 52,339.57 : x
  2. Step 2: Convert to fraction form
    94,781.95/130,795.56 = 52,339.57/x
  3. Step 3: Cross multiply
    94,781.95x = 130,795.56 × 52,339.57
  4. Step 4: Simplify right side
    94,781.95x = 6,845,783,041.32
  5. Step 5: Solve for x
    x = 6,845,783,041.32/94,781.95
  6. Step 6: Final answer
    x = 72,226.66

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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.