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Finding the Fourth Proportional to 93,707.40, 129,317.40 and 51,266.64

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Solution

The fourth proportional to 93,707.40, 129,317.40 and 51,266.64 is: 70,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,707.40 : 129,317.40 = 51,266.64 : x
  2. Step 2: Convert to fraction form
    93,707.40/129,317.40 = 51,266.64/x
  3. Step 3: Cross multiply
    93,707.40x = 129,317.40 × 51,266.64
  4. Step 4: Simplify right side
    93,707.40x = 6,629,668,591.54
  5. Step 5: Solve for x
    x = 6,629,668,591.54/93,707.40
  6. Step 6: Final answer
    x = 70,748.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.