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Finding the Fourth Proportional to 93,370.48, 128,852.81 and 50,929.02

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Solution

The fourth proportional to 93,370.48, 128,852.81 and 50,929.02 is: 70,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,370.48 : 128,852.81 = 50,929.02 : x
  2. Step 2: Convert to fraction form
    93,370.48/128,852.81 = 50,929.02/x
  3. Step 3: Cross multiply
    93,370.48x = 128,852.81 × 50,929.02
  4. Step 4: Simplify right side
    93,370.48x = 6,562,347,337.55
  5. Step 5: Solve for x
    x = 6,562,347,337.55/93,370.48
  6. Step 6: Final answer
    x = 70,282.89

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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.