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Finding the Fourth Proportional to 109,482.53, 151,085.93 and 59,181.53

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Solution

The fourth proportional to 109,482.53, 151,085.93 and 59,181.53 is: 81,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,482.53 : 151,085.93 = 59,181.53 : x
  2. Step 2: Convert to fraction form
    109,482.53/151,085.93 = 59,181.53/x
  3. Step 3: Cross multiply
    109,482.53x = 151,085.93 × 59,181.53
  4. Step 4: Simplify right side
    109,482.53x = 8,941,495,447.54
  5. Step 5: Solve for x
    x = 8,941,495,447.54/109,482.53
  6. Step 6: Final answer
    x = 81,670.53

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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.