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Finding the Fourth Proportional to 170,731.96, 256,228.62 and 77,303.32

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Solution

The fourth proportional to 170,731.96, 256,228.62 and 77,303.32 is: 116,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,731.96 : 256,228.62 = 77,303.32 : x
  2. Step 2: Convert to fraction form
    170,731.96/256,228.62 = 77,303.32/x
  3. Step 3: Cross multiply
    170,731.96x = 256,228.62 × 77,303.32
  4. Step 4: Simplify right side
    170,731.96x = 19,807,323,005.02
  5. Step 5: Solve for x
    x = 19,807,323,005.02/170,731.96
  6. Step 6: Final answer
    x = 116,014.15

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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.