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Finding the Fourth Proportional to 170,361.76, 235,094.16 and 94,908.64

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Solution

The fourth proportional to 170,361.76, 235,094.16 and 94,908.64 is: 130,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,361.76 : 235,094.16 = 94,908.64 : x
  2. Step 2: Convert to fraction form
    170,361.76/235,094.16 = 94,908.64/x
  3. Step 3: Cross multiply
    170,361.76x = 235,094.16 × 94,908.64
  4. Step 4: Simplify right side
    170,361.76x = 22,312,466,997.54
  5. Step 5: Solve for x
    x = 22,312,466,997.54/170,361.76
  6. Step 6: Final answer
    x = 130,971.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.