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Finding the Fourth Proportional to 171,362.64, 257,036.58 and 46,703.64

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Solution

The fourth proportional to 171,362.64, 257,036.58 and 46,703.64 is: 70,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,362.64 : 257,036.58 = 46,703.64 : x
  2. Step 2: Convert to fraction form
    171,362.64/257,036.58 = 46,703.64/x
  3. Step 3: Cross multiply
    171,362.64x = 257,036.58 × 46,703.64
  4. Step 4: Simplify right side
    171,362.64x = 12,004,543,899.15
  5. Step 5: Solve for x
    x = 12,004,543,899.15/171,362.64
  6. Step 6: Final answer
    x = 70,053.45

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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.