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Finding the Fourth Proportional to 67,508.30, 101,068.05 and 65,564.30

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Solution

The fourth proportional to 67,508.30, 101,068.05 and 65,564.30 is: 98,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,508.30 : 101,068.05 = 65,564.30 : x
  2. Step 2: Convert to fraction form
    67,508.30/101,068.05 = 65,564.30/x
  3. Step 3: Cross multiply
    67,508.30x = 101,068.05 × 65,564.30
  4. Step 4: Simplify right side
    67,508.30x = 6,626,455,950.62
  5. Step 5: Solve for x
    x = 6,626,455,950.62/67,508.30
  6. Step 6: Final answer
    x = 98,157.65

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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.