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Finding the Fourth Proportional to 93,698.48, 129,302.84 and 51,256.50

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Solution

The fourth proportional to 93,698.48, 129,302.84 and 51,256.50 is: 70,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,698.48 : 129,302.84 = 51,256.50 : x
  2. Step 2: Convert to fraction form
    93,698.48/129,302.84 = 51,256.50/x
  3. Step 3: Cross multiply
    93,698.48x = 129,302.84 × 51,256.50
  4. Step 4: Simplify right side
    93,698.48x = 6,627,610,762.18
  5. Step 5: Solve for x
    x = 6,627,610,762.18/93,698.48
  6. Step 6: Final answer
    x = 70,733.39

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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.