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Finding the Fourth Proportional to 171,071.16, 256,533.32 and 58,762.68

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Solution

The fourth proportional to 171,071.16, 256,533.32 and 58,762.68 is: 88,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,071.16 : 256,533.32 = 58,762.68 : x
  2. Step 2: Convert to fraction form
    171,071.16/256,533.32 = 58,762.68/x
  3. Step 3: Cross multiply
    171,071.16x = 256,533.32 × 58,762.68
  4. Step 4: Simplify right side
    171,071.16x = 15,074,585,392.50
  5. Step 5: Solve for x
    x = 15,074,585,392.50/171,071.16
  6. Step 6: Final answer
    x = 88,118.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.