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Finding the Fourth Proportional to 104,569, 156,765.30 and 45,360.08

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Solution

The fourth proportional to 104,569, 156,765.30 and 45,360.08 is: 68,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,569 : 156,765.30 = 45,360.08 : x
  2. Step 2: Convert to fraction form
    104,569/156,765.30 = 45,360.08/x
  3. Step 3: Cross multiply
    104,569x = 156,765.30 × 45,360.08
  4. Step 4: Simplify right side
    104,569x = 7,110,886,549.22
  5. Step 5: Solve for x
    x = 7,110,886,549.22/104,569
  6. Step 6: Final answer
    x = 68,001.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.