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Finding the Fourth Proportional to 243,860.40, 336,642.40 and 183,454.04

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Solution

The fourth proportional to 243,860.40, 336,642.40 and 183,454.04 is: 253,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,860.40 : 336,642.40 = 183,454.04 : x
  2. Step 2: Convert to fraction form
    243,860.40/336,642.40 = 183,454.04/x
  3. Step 3: Cross multiply
    243,860.40x = 336,642.40 × 183,454.04
  4. Step 4: Simplify right side
    243,860.40x = 61,758,408,315.30
  5. Step 5: Solve for x
    x = 61,758,408,315.30/243,860.40
  6. Step 6: Final answer
    x = 253,253.12

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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.