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Finding the Fourth Proportional to 122,274.40, 183,411.60 and 63,225.40

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Solution

The fourth proportional to 122,274.40, 183,411.60 and 63,225.40 is: 94,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,274.40 : 183,411.60 = 63,225.40 : x
  2. Step 2: Convert to fraction form
    122,274.40/183,411.60 = 63,225.40/x
  3. Step 3: Cross multiply
    122,274.40x = 183,411.60 × 63,225.40
  4. Step 4: Simplify right side
    122,274.40x = 11,596,271,774.64
  5. Step 5: Solve for x
    x = 11,596,271,774.64/122,274.40
  6. Step 6: Final answer
    x = 94,838.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.