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Finding the Fourth Proportional to 66,730.35, 100,095.53 and 63,965.55

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Solution

The fourth proportional to 66,730.35, 100,095.53 and 63,965.55 is: 95,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,730.35 : 100,095.53 = 63,965.55 : x
  2. Step 2: Convert to fraction form
    66,730.35/100,095.53 = 63,965.55/x
  3. Step 3: Cross multiply
    66,730.35x = 100,095.53 × 63,965.55
  4. Step 4: Simplify right side
    66,730.35x = 6,402,665,309.16
  5. Step 5: Solve for x
    x = 6,402,665,309.16/66,730.35
  6. Step 6: Final answer
    x = 95,948.33

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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.