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Finding the Fourth Proportional to 248,361.68, 342,805.04 and 152,948.32

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Solution

The fourth proportional to 248,361.68, 342,805.04 and 152,948.32 is: 211,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,361.68 : 342,805.04 = 152,948.32 : x
  2. Step 2: Convert to fraction form
    248,361.68/342,805.04 = 152,948.32/x
  3. Step 3: Cross multiply
    248,361.68x = 342,805.04 × 152,948.32
  4. Step 4: Simplify right side
    248,361.68x = 52,431,454,955.53
  5. Step 5: Solve for x
    x = 52,431,454,955.53/248,361.68
  6. Step 6: Final answer
    x = 211,109.28

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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.