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Finding the Fourth Proportional to 242,775.36, 334,840.08 and 157,919.52

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Solution

The fourth proportional to 242,775.36, 334,840.08 and 157,919.52 is: 217,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,775.36 : 334,840.08 = 157,919.52 : x
  2. Step 2: Convert to fraction form
    242,775.36/334,840.08 = 157,919.52/x
  3. Step 3: Cross multiply
    242,775.36x = 334,840.08 × 157,919.52
  4. Step 4: Simplify right side
    242,775.36x = 52,877,784,710.36
  5. Step 5: Solve for x
    x = 52,877,784,710.36/242,775.36
  6. Step 6: Final answer
    x = 217,805.40

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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.