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Finding the Fourth Proportional to 104,430.30, 156,645.45 and 64,967.10

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Solution

The fourth proportional to 104,430.30, 156,645.45 and 64,967.10 is: 97,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.30 : 156,645.45 = 64,967.10 : x
  2. Step 2: Convert to fraction form
    104,430.30/156,645.45 = 64,967.10/x
  3. Step 3: Cross multiply
    104,430.30x = 156,645.45 × 64,967.10
  4. Step 4: Simplify right side
    104,430.30x = 10,176,800,614.70
  5. Step 5: Solve for x
    x = 10,176,800,614.70/104,430.30
  6. Step 6: Final answer
    x = 97,450.65

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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.