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Finding the Fourth Proportional to 109,804.63, 151,530.28 and 59,503.63

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Solution

The fourth proportional to 109,804.63, 151,530.28 and 59,503.63 is: 82,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,804.63 : 151,530.28 = 59,503.63 : x
  2. Step 2: Convert to fraction form
    109,804.63/151,530.28 = 59,503.63/x
  3. Step 3: Cross multiply
    109,804.63x = 151,530.28 × 59,503.63
  4. Step 4: Simplify right side
    109,804.63x = 9,016,601,714.92
  5. Step 5: Solve for x
    x = 9,016,601,714.92/109,804.63
  6. Step 6: Final answer
    x = 82,114.95

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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.