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Finding the Fourth Proportional to 146,671.16, 202,405.02 and 79,603.16

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Solution

The fourth proportional to 146,671.16, 202,405.02 and 79,603.16 is: 109,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,671.16 : 202,405.02 = 79,603.16 : x
  2. Step 2: Convert to fraction form
    146,671.16/202,405.02 = 79,603.16/x
  3. Step 3: Cross multiply
    146,671.16x = 202,405.02 × 79,603.16
  4. Step 4: Simplify right side
    146,671.16x = 16,112,079,191.86
  5. Step 5: Solve for x
    x = 16,112,079,191.86/146,671.16
  6. Step 6: Final answer
    x = 109,851.72

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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.