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Finding the Fourth Proportional to 96,999.40, 145,499.10 and 95,444.20

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Solution

The fourth proportional to 96,999.40, 145,499.10 and 95,444.20 is: 143,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,999.40 : 145,499.10 = 95,444.20 : x
  2. Step 2: Convert to fraction form
    96,999.40/145,499.10 = 95,444.20/x
  3. Step 3: Cross multiply
    96,999.40x = 145,499.10 × 95,444.20
  4. Step 4: Simplify right side
    96,999.40x = 13,887,045,200.22
  5. Step 5: Solve for x
    x = 13,887,045,200.22/96,999.40
  6. Step 6: Final answer
    x = 143,166.30

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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.