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Finding the Fourth Proportional to 109,804.32, 151,530.13 and 59,503.32

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Solution

The fourth proportional to 109,804.32, 151,530.13 and 59,503.32 is: 82,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,804.32 : 151,530.13 = 59,503.32 : x
  2. Step 2: Convert to fraction form
    109,804.32/151,530.13 = 59,503.32/x
  3. Step 3: Cross multiply
    109,804.32x = 151,530.13 × 59,503.32
  4. Step 4: Simplify right side
    109,804.32x = 9,016,545,815.03
  5. Step 5: Solve for x
    x = 9,016,545,815.03/109,804.32
  6. Step 6: Final answer
    x = 82,114.67

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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.