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Finding the Fourth Proportional to 170,655.72, 255,966.30 and 46,009.32

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Solution

The fourth proportional to 170,655.72, 255,966.30 and 46,009.32 is: 69,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,655.72 : 255,966.30 = 46,009.32 : x
  2. Step 2: Convert to fraction form
    170,655.72/255,966.30 = 46,009.32/x
  3. Step 3: Cross multiply
    170,655.72x = 255,966.30 × 46,009.32
  4. Step 4: Simplify right side
    170,655.72x = 11,776,835,405.92
  5. Step 5: Solve for x
    x = 11,776,835,405.92/170,655.72
  6. Step 6: Final answer
    x = 69,009.32

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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.