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Finding the Fourth Proportional to 318,159.84, 439,060.88 and 174,922.32

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Solution

The fourth proportional to 318,159.84, 439,060.88 and 174,922.32 is: 241,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,159.84 : 439,060.88 = 174,922.32 : x
  2. Step 2: Convert to fraction form
    318,159.84/439,060.88 = 174,922.32/x
  3. Step 3: Cross multiply
    318,159.84x = 439,060.88 × 174,922.32
  4. Step 4: Simplify right side
    318,159.84x = 76,801,547,750.84
  5. Step 5: Solve for x
    x = 76,801,547,750.84/318,159.84
  6. Step 6: Final answer
    x = 241,392.97

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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.