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Finding the Fourth Proportional to 171,071.47, 256,621.56 and 63,030.25

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Solution

The fourth proportional to 171,071.47, 256,621.56 and 63,030.25 is: 94,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,071.47 : 256,621.56 = 63,030.25 : x
  2. Step 2: Convert to fraction form
    171,071.47/256,621.56 = 63,030.25/x
  3. Step 3: Cross multiply
    171,071.47x = 256,621.56 × 63,030.25
  4. Step 4: Simplify right side
    171,071.47x = 16,174,921,082.19
  5. Step 5: Solve for x
    x = 16,174,921,082.19/171,071.47
  6. Step 6: Final answer
    x = 94,550.66

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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.