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Finding the Fourth Proportional to 146,656.34, 202,385.88 and 79,588.34

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Solution

The fourth proportional to 146,656.34, 202,385.88 and 79,588.34 is: 109,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,656.34 : 202,385.88 = 79,588.34 : x
  2. Step 2: Convert to fraction form
    146,656.34/202,385.88 = 79,588.34/x
  3. Step 3: Cross multiply
    146,656.34x = 202,385.88 × 79,588.34
  4. Step 4: Simplify right side
    146,656.34x = 16,107,556,228.64
  5. Step 5: Solve for x
    x = 16,107,556,228.64/146,656.34
  6. Step 6: Final answer
    x = 109,831.98

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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.