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Finding the Fourth Proportional to 169,762.64, 234,275.42 and 93,285.07

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Solution

The fourth proportional to 169,762.64, 234,275.42 and 93,285.07 is: 128,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,762.64 : 234,275.42 = 93,285.07 : x
  2. Step 2: Convert to fraction form
    169,762.64/234,275.42 = 93,285.07/x
  3. Step 3: Cross multiply
    169,762.64x = 234,275.42 × 93,285.07
  4. Step 4: Simplify right side
    169,762.64x = 21,854,398,601.50
  5. Step 5: Solve for x
    x = 21,854,398,601.50/169,762.64
  6. Step 6: Final answer
    x = 128,735.03

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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.