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Finding the Fourth Proportional to 109,482.06, 151,085.15 and 59,181.06

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Solution

The fourth proportional to 109,482.06, 151,085.15 and 59,181.06 is: 81,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,482.06 : 151,085.15 = 59,181.06 : x
  2. Step 2: Convert to fraction form
    109,482.06/151,085.15 = 59,181.06/x
  3. Step 3: Cross multiply
    109,482.06x = 151,085.15 × 59,181.06
  4. Step 4: Simplify right side
    109,482.06x = 8,941,379,031.35
  5. Step 5: Solve for x
    x = 8,941,379,031.35/109,482.06
  6. Step 6: Final answer
    x = 81,669.81

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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.