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Finding the Fourth Proportional to 109,437.63, 151,023.93 and 59,136.63

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Solution

The fourth proportional to 109,437.63, 151,023.93 and 59,136.63 is: 81,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,437.63 : 151,023.93 = 59,136.63 : x
  2. Step 2: Convert to fraction form
    109,437.63/151,023.93 = 59,136.63/x
  3. Step 3: Cross multiply
    109,437.63x = 151,023.93 × 59,136.63
  4. Step 4: Simplify right side
    109,437.63x = 8,931,046,269.56
  5. Step 5: Solve for x
    x = 8,931,046,269.56/109,437.63
  6. Step 6: Final answer
    x = 81,608.55

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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.