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Finding the Fourth Proportional to 93,733.34, 129,352.02 and 51,291.88

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Solution

The fourth proportional to 93,733.34, 129,352.02 and 51,291.88 is: 70,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,733.34 : 129,352.02 = 51,291.88 : x
  2. Step 2: Convert to fraction form
    93,733.34/129,352.02 = 51,291.88/x
  3. Step 3: Cross multiply
    93,733.34x = 129,352.02 × 51,291.88
  4. Step 4: Simplify right side
    93,733.34x = 6,634,708,287.60
  5. Step 5: Solve for x
    x = 6,634,708,287.60/93,733.34
  6. Step 6: Final answer
    x = 70,782.80

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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.